A377657 - OEIS

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

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A377657 as a triangular array

									1
								0		2
							0		3		3
						0		9		10		4
					0		27		90		21		5
				0		81		850		371		36		6
			0		243		8050		7077		1044		55		7
		0		729		76250		135779		33300		2365		78		8
	0		2187		722250		2606261		1070244		113311		4654		105		9
0		6561		6841250		50028755		34420356		5476405		312390		8295		136		10

A377657 as a square array

1	0	0	0	0	0	0	0	0	0
2	3	9	27	81	243	729	2187	6561
3	10	90	850	8050	76250	722250	6841250
4	21	371	7077	135779	2606261	50028755
5	36	1044	33300	1070244	34420356
6	55	2365	113311	5476405
7	78	4654	312390
8	105	8295
9	136
10

A377657 as an upper right triangle

1	0	0	0	0	0	0	0	0	0
	2	3	9	27	81	243	729	2187	6561
		3	10	90	850	8050	76250	722250	6841250
			4	21	371	7077	135779	2606261	50028755
				5	36	1044	33300	1070244	34420356
					6	55	2365	113311	5476405
						7	78	4654	312390
							8	105	8295
								9	136
									10