A355350 - OEIS

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A355350 as a triangular array

												1
											0		1
										0		3		1
									0		9		6		1
								0		22		27		10		1
							0		51		98		66		15		1
						0		108		315		340		135		21		1
					0		221		918		1495		910		246		28		1
				0		429		2492		5838		5070		2086		413		36		1
			0		810		6372		20805		24543		14280		4284		652		45		1
		0		1479		15525		68816		106535		83559		35168		8100		981		55		1
	0		2640		36280		213945		423390		432930		243208		78282		14355		1420		66		1

A355350 as a square array

1	0	0	0	0	0	0	0	0	0	0	0
1	3	9	22	51	108	221	429	810	1479	2640
1	6	27	98	315	918	2492	6372	15525	36280
1	10	66	340	1495	5838	20805	68816	213945
1	15	135	910	5070	24543	106535	423390
1	21	246	2086	14280	83559	432930
1	28	413	4284	35168	243208
1	36	652	8100	78282
1	45	981	14355
1	55	1420
1	66
1

A355350 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0	0
	1	3	9	22	51	108	221	429	810	1479	2640
		1	6	27	98	315	918	2492	6372	15525	36280
			1	10	66	340	1495	5838	20805	68816	213945
				1	15	135	910	5070	24543	106535	423390
					1	21	246	2086	14280	83559	432930
						1	28	413	4284	35168	243208
							1	36	652	8100	78282
								1	45	981	14355
									1	55	1420
										1	66
											1