A121662 - OEIS

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A121662 as a triangular array

										1
									4		2
								15		9		3
							64		40		16		4
						325		205		85		25		5
					1956		1236		516		156		36		6
				13699		8659		3619		1099		259		49		7
			109600		69280		28960		8800		2080		400		64		8
		986409		623529		260649		79209		18729		3609		585		81		9
	9864100		6235300		2606500		792100		187300		36100		5860		820		100		10

A121662 as a square array

1	4	15	64	325	1956	13699	109600	986409	9864100
2	9	40	205	1236	8659	69280	623529	6235300
3	16	85	516	3619	28960	260649	2606500
4	25	156	1099	8800	79209	792100
5	36	259	2080	18729	187300
6	49	400	3609	36100
7	64	585	5860
8	81	820
9	100
10

A121662 as an upper right triangle

1	4	15	64	325	1956	13699	109600	986409	9864100
	2	9	40	205	1236	8659	69280	623529	6235300
		3	16	85	516	3619	28960	260649	2606500
			4	25	156	1099	8800	79209	792100
				5	36	259	2080	18729	187300
					6	49	400	3609	36100
						7	64	585	5860
							8	81	820
								9	100
									10