A103209 - OEIS

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A103209 as a triangular array

										1
									1		2
								1		6		3
							1		22		15		4
						1		90		93		28		5
					1		394		645		244		45		6
				1		1806		4791		2380		505		66		7
			1		8558		37275		24868		6345		906		91		8
		1		41586		299865		272188		85405		13926		1477		120		9
	1		206098		2474025		3080596		1204245		229326		26845

A103209 as a square array

1	1	1	1	1	1	1	1	1	1
2	6	22	90	394	1806	8558	41586	206098
3	15	93	645	4791	37275	299865	2474025
4	28	244	2380	24868	272188	3080596
5	45	505	6345	85405	1204245
6	66	906	13926	229326
7	91	1477	26845
8	120
9

A103209 as an upper right triangle

1	1	1	1	1	1	1	1	1	1
	2	6	22	90	394	1806	8558	41586	206098
		3	15	93	645	4791	37275	299865	2474025
			4	28	244	2380	24868	272188	3080596
				5	45	505	6345	85405	1204245
					6	66	906	13926	229326
						7	91	1477	26845
							8	120
								9