A380841 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A380841 as a triangular array

											1
										0		1
									0		1		1
								0		4		2		1
							0		21		10		3		1
						0		148		66		18		4		1
					0		1305		560		141		28		5		1
				0		13806		5770		1380		252		40		6		1
			0		170401		69852		16095		2776		405		54		7		1
		0		2403640		970886		217458		35940		4940		606		70		8		1
	0		38143377		15228880		3335745		533304		70045		8088		861		88		9		1

A380841 as a square array

1	0	0	0	0	0	0	0	0	0	0
1	1	4	21	148	1305	13806	170401	2403640	38143377
1	2	10	66	560	5770	69852	970886	15228880
1	3	18	141	1380	16095	217458	3335745
1	4	28	252	2776	35940	533304
1	5	40	405	4940	70045
1	6	54	606	8088
1	7	70	861
1	8	88
1	9
1

A380841 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0
	1	1	4	21	148	1305	13806	170401	2403640	38143377
		1	2	10	66	560	5770	69852	970886	15228880
			1	3	18	141	1380	16095	217458	3335745
				1	4	28	252	2776	35940	533304
					1	5	40	405	4940	70045
						1	6	54	606	8088
							1	7	70	861
								1	8	88
									1	9
										1