A308503 - OEIS

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A308503 as a triangular array

												1
											2		2
										3		6		3
									4		15		10		4
								5		12		21		18		5
							6		35		20		75		14		6
						7		30		55		36		33		30		7
					8		77		42		245		28		105		22		8
				9		24		91		150		65		60		39		54		9
			10		45		40		847		66		385		44		375		50		10
		11		70		63		72		119		210		85		108		147		42		11
	12

A308503 as a square array

1	2	3	4	5	6	7	8	9	10	11	12
2	6	15	12	35	30	77	24	45	70
3	10	21	20	55	42	91	40	63
4	18	75	36	245	150	847	72
5	14	33	28	65	66	119
6	30	105	60	385	210
7	22	39	44	85
8	54	375	108
9	50	147
10	42
11

A308503 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11	12
	2	6	15	12	35	30	77	24	45	70
		3	10	21	20	55	42	91	40	63
			4	18	75	36	245	150	847	72
				5	14	33	28	65	66	119
					6	30	105	60	385	210
						7	22	39	44	85
							8	54	375	108
								9	50	147
									10	42
										11