A056537 - OEIS

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A056537 as a triangular array

											1
										2		4
									3		6		9
								5		8		12		16
							7		11		15		20		25
						10		14		19		24		30		36
					13		18		23		29		35		42		49
				17		22		28		34		41		48		56		64
			21		27		33		40		47		55		63		72		81
		26		32		39		46		54		62		71		80		90		100
	31		38		45		53		61		70		79		89		99		110		121
37		44		52		60		69

A056537 as a square array

1	2	3	5	7	10	13	17	21	26	31	37
4	6	8	11	14	18	22	27	32	38	44
9	12	15	19	23	28	33	39	45	52
16	20	24	29	34	40	46	53	60
25	30	35	41	47	54	61	69
36	42	48	55	62	70
49	56	63	71	79
64	72	80	89
81	90	99
100	110
121

A056537 as an upper right triangle

1	2	3	5	7	10	13	17	21	26	31	37
	4	6	8	11	14	18	22	27	32	38	44
		9	12	15	19	23	28	33	39	45	52
			16	20	24	29	34	40	46	53	60
				25	30	35	41	47	54	61	69
					36	42	48	55	62	70
						49	56	63	71	79
							64	72	80	89
								81	90	99
									100	110
										121

											1
										2		4
									3		6		9
								5		8		12		16
							7		11		15		20		25
						10		14		19		24		30		36
					13		18		23		29		35		42		49
				17		22		28		34		41		48		56		64
			21		27		33		40		47		55		63		72		81
		26		32		39		46		54		62		71		80		90		100
	31		38		45		53		61		70		79		89		99		110		121
37		44		52		60		69

1	2	3	5	7	10	13	17	21	26	31	37
4	6	8	11	14	18	22	27	32	38	44
9	12	15	19	23	28	33	39	45	52
16	20	24	29	34	40	46	53	60
25	30	35	41	47	54	61	69
36	42	48	55	62	70
49	56	63	71	79
64	72	80	89
81	90	99
100	110
121

1	2	3	5	7	10	13	17	21	26	31	37
	4	6	8	11	14	18	22	27	32	38	44
		9	12	15	19	23	28	33	39	45	52
			16	20	24	29	34	40	46	53	60
				25	30	35	41	47	54	61	69
					36	42	48	55	62	70
						49	56	63	71	79
							64	72	80	89
								81	90	99
									100	110
										121

											1
										2		4
									3		6		9
								5		8		12		16
							7		11		15		20		25
						10		14		19		24		30		36
					13		18		23		29		35		42		49
				17		22		28		34		41		48		56		64
			21		27		33		40		47		55		63		72		81
		26		32		39		46		54		62		71		80		90		100
	31		38		45		53		61		70		79		89		99		110		121
37		44		52		60		69

1	2	3	5	7	10	13	17	21	26	31	37
4	6	8	11	14	18	22	27	32	38	44
9	12	15	19	23	28	33	39	45	52
16	20	24	29	34	40	46	53	60
25	30	35	41	47	54	61	69
36	42	48	55	62	70
49	56	63	71	79
64	72	80	89
81	90	99
100	110
121

1	2	3	5	7	10	13	17	21	26	31	37
	4	6	8	11	14	18	22	27	32	38	44
		9	12	15	19	23	28	33	39	45	52
			16	20	24	29	34	40	46	53	60
				25	30	35	41	47	54	61	69
					36	42	48	55	62	70
						49	56	63	71	79
							64	72	80	89
								81	90	99
									100	110
										121

											1
										2		4
									3		6		9
								5		8		12		16
							7		11		15		20		25
						10		14		19		24		30		36
					13		18		23		29		35		42		49
				17		22		28		34		41		48		56		64
			21		27		33		40		47		55		63		72		81
		26		32		39		46		54		62		71		80		90		100
	31		38		45		53		61		70		79		89		99		110		121
37		44		52		60		69

1	2	3	5	7	10	13	17	21	26	31	37
4	6	8	11	14	18	22	27	32	38	44
9	12	15	19	23	28	33	39	45	52
16	20	24	29	34	40	46	53	60
25	30	35	41	47	54	61	69
36	42	48	55	62	70
49	56	63	71	79
64	72	80	89
81	90	99
100	110
121

1	2	3	5	7	10	13	17	21	26	31	37
	4	6	8	11	14	18	22	27	32	38	44
		9	12	15	19	23	28	33	39	45	52
			16	20	24	29	34	40	46	53	60
				25	30	35	41	47	54	61	69
					36	42	48	55	62	70
						49	56	63	71	79
							64	72	80	89
								81	90	99
									100	110
										121