A194621 - OEIS

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A194621 as a triangular array

												1
											1		1
										2		2		2
									2		3		3		3
								3		4		5		5		5
							2		5		6		7		7		7
						4		6		9		10		11		11		11
					2		7		10		13		14		15		15		15
				4		8		14		17		20		21		22		22		22
			3		9		15		22		25		28		29		30		30		30
		4		10		20		27		34		37		40		41		42		42		42
	2		11		21		33		41		48		51		54		55		56		56		56

A194621 as a square array

1	1	2	2	3	2	4	2	4	3	4	2
1	2	3	4	5	6	7	8	9	10	11
2	3	5	6	9	10	14	15	20	21
3	5	7	10	13	17	22	27	33
5	7	11	14	20	25	34	41
7	11	15	21	28	37	48
11	15	22	29	40	51
15	22	30	41	54
22	30	42	55
30	42	56
42	56
56

A194621 as an upper right triangle

1	1	2	2	3	2	4	2	4	3	4	2
	1	2	3	4	5	6	7	8	9	10	11
		2	3	5	6	9	10	14	15	20	21
			3	5	7	10	13	17	22	27	33
				5	7	11	14	20	25	34	41
					7	11	15	21	28	37	48
						11	15	22	29	40	51
							15	22	30	41	54
								22	30	42	55
									30	42	56
										42	56
											56