A291883 - OEIS

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A291883 as a triangular array

1

0 1

0 1 1

0 1 2 1

0 1 5 3 1

0 1 9 11 4 1

0 1 19 31 19 5 1

0 1 35 91 69 29 6 1

0 1 71 250 252 127 41 7 1

0 1 135 690 855 540 209 55 8 1

0 1 271 1863 2867 2117 1005 319 71 9 1

0 1 527 5017 9339 8063 4411 1705 461 89 10 1

A291883 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`2`	`5`	`9`	`19`	`35`	`71`	`135`	`271`	`527`
`1`	`3`	`11`	`31`	`91`	`250`	`690`	`1863`	`5017`
`1`	`4`	`19`	`69`	`252`	`855`	`2867`	`9339`
`1`	`5`	`29`	`127`	`540`	`2117`	`8063`
`1`	`6`	`41`	`209`	`1005`	`4411`
`1`	`7`	`55`	`319`	`1705`
`1`	`8`	`71`	`461`
`1`	`9`	`89`
`1`	`10`
`1`

A291883 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
		`1`	`2`	`5`	`9`	`19`	`35`	`71`	`135`	`271`	`527`
			`1`	`3`	`11`	`31`	`91`	`250`	`690`	`1863`	`5017`
				`1`	`4`	`19`	`69`	`252`	`855`	`2867`	`9339`
					`1`	`5`	`29`	`127`	`540`	`2117`	`8063`
						`1`	`6`	`41`	`209`	`1005`	`4411`
							`1`	`7`	`55`	`319`	`1705`
								`1`	`8`	`71`	`461`
									`1`	`9`	`89`
										`1`	`10`
											`1`

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Last modified April 20 02:14 EDT 2024. Contains 371798 sequences. (Running on oeis4.)