A320647 - OEIS

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A320647 as a triangular array

													0
												0		0
											0		0		0
										0		0		0		0
									0		0		0		0		0
								0		0		4		2		0		0
							0		1		12		17		4		0		0
						0		2		44		84		51		9		0		0
					0		7		137		388		339		125		15		0		0
				0		12		408		1586		2010		1054		258		24		0		0
			0		31		1190		6405		10900		7928		2761		490		35		0		0
		0		58		3416		24927		56700		54383		25680		6392		859		51		0		0
	0		126		9730		96404		286888		356594		218246		72284		13472		1420		68		0		0

A320647 as a square array

0	0	0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	1	2	7	12	31	58	126
0	0	0	4	12	44	137	408	1190	3416	9730
0	0	2	17	84	388	1586	6405	24927	96404
0	0	4	51	339	2010	10900	56700	286888
0	0	9	125	1054	7928	54383	356594
0	0	15	258	2761	25680	218246
0	0	24	490	6392	72284
0	0	35	859	13472
0	0	51	1420
0	0	68
0	0
0

A320647 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0	0	0
	0	0	0	0	0	1	2	7	12	31	58	126
		0	0	0	4	12	44	137	408	1190	3416	9730
			0	0	2	17	84	388	1586	6405	24927	96404
				0	0	4	51	339	2010	10900	56700	286888
					0	0	9	125	1054	7928	54383	356594
						0	0	15	258	2761	25680	218246
							0	0	24	490	6392	72284
								0	0	35	859	13472
									0	0	51	1420
										0	0	68
											0	0
												0