A218757 - OEIS

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A218757 as a triangular array

1

0 1

0 1 0

0 1 1 0

0 2 3 0 0

0 5 9 2 0 0

0 16 32 13 0 0 0

0 61 132 72 6 0 0 0

0 271 623 409 69 0 0 0 0

0 1372 3314 2480 605 24 0 0 0 0

0 7795 19628 16222 5016 432 0 0 0 0 0

0 49093 128126 114594 41955 5498 120 0 0 0 0 0

A218757 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`1`	`2`	`5`	`16`	`61`	`271`	`1372`	`7795`	`49093`
`0`	`1`	`3`	`9`	`32`	`132`	`623`	`3314`	`19628`	`128126`
`0`	`0`	`2`	`13`	`72`	`409`	`2480`	`16222`	`114594`
`0`	`0`	`0`	`6`	`69`	`605`	`5016`	`41955`
`0`	`0`	`0`	`0`	`24`	`432`	`5498`
`0`	`0`	`0`	`0`	`0`	`120`
`0`	`0`	`0`	`0`	`0`
`0`	`0`	`0`	`0`
`0`	`0`	`0`
`0`	`0`
`0`

A218757 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`1`	`2`	`5`	`16`	`61`	`271`	`1372`	`7795`	`49093`
		`0`	`1`	`3`	`9`	`32`	`132`	`623`	`3314`	`19628`	`128126`
			`0`	`0`	`2`	`13`	`72`	`409`	`2480`	`16222`	`114594`
				`0`	`0`	`0`	`6`	`69`	`605`	`5016`	`41955`
					`0`	`0`	`0`	`0`	`24`	`432`	`5498`
						`0`	`0`	`0`	`0`	`0`	`120`
							`0`	`0`	`0`	`0`	`0`
								`0`	`0`	`0`	`0`
									`0`	`0`	`0`
										`0`	`0`
											`0`

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Last modified April 26 11:23 EDT 2024. Contains 371997 sequences. (Running on oeis4.)