A292915 - OEIS

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A292915 as a triangular array

											1
										1		1
									1		2		3
								1		3		6		13
							1		4		11		26		75
						1		5		18		51		150		541
					1		6		27		94		299		1082		4683
				1		7		38		161		582		2163		9366		47293
			1		8		51		258		1083		4294		18731		94586		545835
		1		9		66		391		1910		8345		37398		189171		1091670		7087261
	1		10		83		566		3195		15666		74067		378214		2183339		14174522		102247563

A292915 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
3	6	11	18	27	38	51	66	83
13	26	51	94	161	258	391	566
75	150	299	582	1083	1910	3195
541	1082	2163	4294	8345	15666
4683	9366	18731	37398	74067
47293	94586	189171	378214
545835	1091670	2183339
7087261	14174522
102247563

A292915 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
		3	6	11	18	27	38	51	66	83
			13	26	51	94	161	258	391	566
				75	150	299	582	1083	1910	3195
					541	1082	2163	4294	8345	15666
						4683	9366	18731	37398	74067
							47293	94586	189171	378214
								545835	1091670	2183339
									7087261	14174522
										102247563