A331447 - OEIS

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A331447 as a triangular array

													1
												1		1
											2		1		1
										2		2		1		1
									4		3		2		1		1
								5		4		3		2		1		1
							8		6		5		3		2		1		1
						10		9		6		5		3		2		1		1
					15		12		10		7		5		3		2		1		1
				20		17		13		10		7		5		3		2		1		1
			28		23		19		14		11		7		5		3		2		1		1
		36		31		25		20		14		11		7		5		3		2		1		1
	50		42

A331447 as a square array

1	1	2	2	4	5	8	10	15	20	28	36	50
1	1	2	3	4	6	9	12	17	23	31	42
1	1	2	3	5	6	10	13	19	25
1	1	2	3	5	7	10	14	20
1	1	2	3	5	7	11	14
1	1	2	3	5	7	11
1	1	2	3	5	7
1	1	2	3	5
1	1	2	3
1	1	2
1	1
1

A331447 as an upper right triangle

1	1	2	2	4	5	8	10	15	20	28	36	50
	1	1	2	3	4	6	9	12	17	23	31	42
		1	1	2	3	5	6	10	13	19	25
			1	1	2	3	5	7	10	14	20
				1	1	2	3	5	7	11	14
					1	1	2	3	5	7	11
						1	1	2	3	5	7
							1	1	2	3	5
								1	1	2	3
									1	1	2
										1	1
											1