A351153 - OEIS

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A351153 as a triangular array

											1
										1		3
									1		4		6
								1		5		8		10
							1		6		10		13		15
						1		7		12		16		19		21
					1		8		14		19		23		26		28
				1		9		16		22		27		31		34		36
			1		10		18		25		31		36		40		43		45
		1		11		20		28		35		41		46		50		53		55
	1		12		22		31		39		46		52		57		61		64		66
1		13		24		34		43		51		58		64		69		73		76		78

A351153 as a square array

1	1	1	1	1	1	1	1	1	1	1	1
3	4	5	6	7	8	9	10	11	12	13
6	8	10	12	14	16	18	20	22	24
10	13	16	19	22	25	28	31	34
15	19	23	27	31	35	39	43
21	26	31	36	41	46	51
28	34	40	46	52	58
36	43	50	57	64
45	53	61	69
55	64	73
66	76
78

A351153 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1
	3	4	5	6	7	8	9	10	11	12	13
		6	8	10	12	14	16	18	20	22	24
			10	13	16	19	22	25	28	31	34
				15	19	23	27	31	35	39	43
					21	26	31	36	41	46	51
						28	34	40	46	52	58
							36	43	50	57	64
								45	53	61	69
									55	64	73
										66	76
											78

											1
										1		3
									1		4		6
								1		5		8		10
							1		6		10		13		15
						1		7		12		16		19		21
					1		8		14		19		23		26		28
				1		9		16		22		27		31		34		36
			1		10		18		25		31		36		40		43		45
		1		11		20		28		35		41		46		50		53		55
	1		12		22		31		39		46		52		57		61		64		66
1		13		24		34		43		51		58		64		69		73		76		78

1	1	1	1	1	1	1	1	1	1	1	1
3	4	5	6	7	8	9	10	11	12	13
6	8	10	12	14	16	18	20	22	24
10	13	16	19	22	25	28	31	34
15	19	23	27	31	35	39	43
21	26	31	36	41	46	51
28	34	40	46	52	58
36	43	50	57	64
45	53	61	69
55	64	73
66	76
78

1	1	1	1	1	1	1	1	1	1	1	1
	3	4	5	6	7	8	9	10	11	12	13
		6	8	10	12	14	16	18	20	22	24
			10	13	16	19	22	25	28	31	34
				15	19	23	27	31	35	39	43
					21	26	31	36	41	46	51
						28	34	40	46	52	58
							36	43	50	57	64
								45	53	61	69
									55	64	73
										66	76
											78

											1
										1		3
									1		4		6
								1		5		8		10
							1		6		10		13		15
						1		7		12		16		19		21
					1		8		14		19		23		26		28
				1		9		16		22		27		31		34		36
			1		10		18		25		31		36		40		43		45
		1		11		20		28		35		41		46		50		53		55
	1		12		22		31		39		46		52		57		61		64		66
1		13		24		34		43		51		58		64		69		73		76		78

1	1	1	1	1	1	1	1	1	1	1	1
3	4	5	6	7	8	9	10	11	12	13
6	8	10	12	14	16	18	20	22	24
10	13	16	19	22	25	28	31	34
15	19	23	27	31	35	39	43
21	26	31	36	41	46	51
28	34	40	46	52	58
36	43	50	57	64
45	53	61	69
55	64	73
66	76
78

1	1	1	1	1	1	1	1	1	1	1	1
	3	4	5	6	7	8	9	10	11	12	13
		6	8	10	12	14	16	18	20	22	24
			10	13	16	19	22	25	28	31	34
				15	19	23	27	31	35	39	43
					21	26	31	36	41	46	51
						28	34	40	46	52	58
							36	43	50	57	64
								45	53	61	69
									55	64	73
										66	76
											78

											1
										1		3
									1		4		6
								1		5		8		10
							1		6		10		13		15
						1		7		12		16		19		21
					1		8		14		19		23		26		28
				1		9		16		22		27		31		34		36
			1		10		18		25		31		36		40		43		45
		1		11		20		28		35		41		46		50		53		55
	1		12		22		31		39		46		52		57		61		64		66
1		13		24		34		43		51		58		64		69		73		76		78

1	1	1	1	1	1	1	1	1	1	1	1
3	4	5	6	7	8	9	10	11	12	13
6	8	10	12	14	16	18	20	22	24
10	13	16	19	22	25	28	31	34
15	19	23	27	31	35	39	43
21	26	31	36	41	46	51
28	34	40	46	52	58
36	43	50	57	64
45	53	61	69
55	64	73
66	76
78

1	1	1	1	1	1	1	1	1	1	1	1
	3	4	5	6	7	8	9	10	11	12	13
		6	8	10	12	14	16	18	20	22	24
			10	13	16	19	22	25	28	31	34
				15	19	23	27	31	35	39	43
					21	26	31	36	41	46	51
						28	34	40	46	52	58
							36	43	50	57	64
								45	53	61	69
									55	64	73
										66	76
											78