A061199 - OEIS

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A061199 as a triangular array

												1
											0		1
										0		1		2
									0		2		2		3
								0		2		4		4		5
							0		3		5		6		6		7
						0		4		7		9		10		10		11
					0		5		9		12		13		14		14		15
				0		6		13		16		19		20		21		21		22
			0		8		16		22		25		27		28		29		29		30
		0		10		22		29		34		37		39		40		41		41		42
	0		12		27		38		44		49		51		53		54		55		55		56
0		15		36

A061199 as a square array

1	0	0	0	0	0	0	0	0	0	0	0	0
1	1	2	2	3	4	5	6	8	10	12	15
2	2	4	5	7	9	13	16	22	27	36
3	4	6	9	12	16	22	29	38
5	6	10	13	19	25	34	44
7	10	14	20	27	37	49
11	14	21	28	39	51
15	21	29	40	53
22	29	41	54
30	41	55
42	55
56

A061199 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0	0	0
	1	1	2	2	3	4	5	6	8	10	12	15
		2	2	4	5	7	9	13	16	22	27	36
			3	4	6	9	12	16	22	29	38
				5	6	10	13	19	25	34	44
					7	10	14	20	27	37	49
						11	14	21	28	39	51
							15	21	29	40	53
								22	29	41	54
									30	41	55
										42	55
											56

												1
											0		1
										0		1		2
									0		2		2		3
								0		2		4		4		5
							0		3		5		6		6		7
						0		4		7		9		10		10		11
					0		5		9		12		13		14		14		15
				0		6		13		16		19		20		21		21		22
			0		8		16		22		25		27		28		29		29		30
		0		10		22		29		34		37		39		40		41		41		42
	0		12		27		38		44		49		51		53		54		55		55		56
0		15		36

1	0	0	0	0	0	0	0	0	0	0	0	0
1	1	2	2	3	4	5	6	8	10	12	15
2	2	4	5	7	9	13	16	22	27	36
3	4	6	9	12	16	22	29	38
5	6	10	13	19	25	34	44
7	10	14	20	27	37	49
11	14	21	28	39	51
15	21	29	40	53
22	29	41	54
30	41	55
42	55
56

1	0	0	0	0	0	0	0	0	0	0	0	0
	1	1	2	2	3	4	5	6	8	10	12	15
		2	2	4	5	7	9	13	16	22	27	36
			3	4	6	9	12	16	22	29	38
				5	6	10	13	19	25	34	44
					7	10	14	20	27	37	49
						11	14	21	28	39	51
							15	21	29	40	53
								22	29	41	54
									30	41	55
										42	55
											56

												1
											0		1
										0		1		2
									0		2		2		3
								0		2		4		4		5
							0		3		5		6		6		7
						0		4		7		9		10		10		11
					0		5		9		12		13		14		14		15
				0		6		13		16		19		20		21		21		22
			0		8		16		22		25		27		28		29		29		30
		0		10		22		29		34		37		39		40		41		41		42
	0		12		27		38		44		49		51		53		54		55		55		56
0		15		36

1	0	0	0	0	0	0	0	0	0	0	0	0
1	1	2	2	3	4	5	6	8	10	12	15
2	2	4	5	7	9	13	16	22	27	36
3	4	6	9	12	16	22	29	38
5	6	10	13	19	25	34	44
7	10	14	20	27	37	49
11	14	21	28	39	51
15	21	29	40	53
22	29	41	54
30	41	55
42	55
56

1	0	0	0	0	0	0	0	0	0	0	0	0
	1	1	2	2	3	4	5	6	8	10	12	15
		2	2	4	5	7	9	13	16	22	27	36
			3	4	6	9	12	16	22	29	38
				5	6	10	13	19	25	34	44
					7	10	14	20	27	37	49
						11	14	21	28	39	51
							15	21	29	40	53
								22	29	41	54
									30	41	55
										42	55
											56

												1
											0		1
										0		1		2
									0		2		2		3
								0		2		4		4		5
							0		3		5		6		6		7
						0		4		7		9		10		10		11
					0		5		9		12		13		14		14		15
				0		6		13		16		19		20		21		21		22
			0		8		16		22		25		27		28		29		29		30
		0		10		22		29		34		37		39		40		41		41		42
	0		12		27		38		44		49		51		53		54		55		55		56
0		15		36

1	0	0	0	0	0	0	0	0	0	0	0	0
1	1	2	2	3	4	5	6	8	10	12	15
2	2	4	5	7	9	13	16	22	27	36
3	4	6	9	12	16	22	29	38
5	6	10	13	19	25	34	44
7	10	14	20	27	37	49
11	14	21	28	39	51
15	21	29	40	53
22	29	41	54
30	41	55
42	55
56

1	0	0	0	0	0	0	0	0	0	0	0	0
	1	1	2	2	3	4	5	6	8	10	12	15
		2	2	4	5	7	9	13	16	22	27	36
			3	4	6	9	12	16	22	29	38
				5	6	10	13	19	25	34	44
					7	10	14	20	27	37	49
						11	14	21	28	39	51
							15	21	29	40	53
								22	29	41	54
									30	41	55
										42	55
											56