A368343 - OEIS

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A368343 as a triangular array

											1
										1		1
									1		2		1
								1		3		3		2
							1		4		7		5		2
						1		5		13		16		7		2
					1		6		21		41		34		9		3
				1		7		31		86		125		70		12		3
			1		8		43		157		346		377		143		15		3
		1		9		57		260		787		1386		1134		289		18		4
	1		10		73		401		1562		3937		5547		3405		581		22		4

A368343 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	2	3	4	5	6	7	8	9	10
1	3	7	13	21	31	43	57	73
2	5	16	41	86	157	260	401
2	7	34	125	346	787	1562
2	9	70	377	1386	3937
3	12	143	1134	5547
3	15	289	3405
3	18	581
4	22
4

A368343 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	1	2	3	4	5	6	7	8	9	10
		1	3	7	13	21	31	43	57	73
			2	5	16	41	86	157	260	401
				2	7	34	125	346	787	1562
					2	9	70	377	1386	3937
						3	12	143	1134	5547
							3	15	289	3405
								3	18	581
									4	22
										4