A001100 - OEIS

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A001100 as a triangular array

										1
									0		2
								0		4		2
							2		10		10		2
						14		40		48		16		2
					90		230		256		120		22		2
				646		1580		1670		888		226		28		2
			5242		12434		12846		7198		2198		366		34		2
		47622		110320		112820		64968		22120		4448		540		40		2
	479306		1090270		1108612		650644		236968		54304		7900		748		46		2

A001100 as a square array

1	0	0	2	14	90	646	5242	47622	479306
2	4	10	40	230	1580	12434	110320	1090270
2	10	48	256	1670	12846	112820	1108612
2	16	120	888	7198	64968	650644
2	22	226	2198	22120	236968
2	28	366	4448	54304
2	34	540	7900
2	40	748
2	46
2

A001100 as an upper right triangle

1	0	0	2	14	90	646	5242	47622	479306
	2	4	10	40	230	1580	12434	110320	1090270
		2	10	48	256	1670	12846	112820	1108612
			2	16	120	888	7198	64968	650644
				2	22	226	2198	22120	236968
					2	28	366	4448	54304
						2	34	540	7900
							2	40	748
								2	46
									2