A261897 - OEIS

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A261897 as a triangular array

1

1 1

0 2 1

0 2 3 1

0 2 5 4 1

0 0 7 9 5 1

0 0 7 16 14 6 1

0 0 7 23 30 20 7 1

0 0 7 30 53 50 27 8 1

0 0 7 37 83 103 77 35 9 1

0 0 0 44 120 186 180 112 44 10 1

0 0 0 44 164 306 366 292 156 54 11 1

A261897 as a square array

`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`2`	`2`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`3`	`5`	`7`	`7`	`7`	`7`	`7`	`0`	`0`
`1`	`4`	`9`	`16`	`23`	`30`	`37`	`44`	`44`
`1`	`5`	`14`	`30`	`53`	`83`	`120`	`164`
`1`	`6`	`20`	`50`	`103`	`186`	`306`
`1`	`7`	`27`	`77`	`180`	`366`
`1`	`8`	`35`	`112`	`292`
`1`	`9`	`44`	`156`
`1`	`10`	`54`
`1`	`11`
`1`

A261897 as an upper right triangle

`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`2`	`2`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`1`	`3`	`5`	`7`	`7`	`7`	`7`	`7`	`0`	`0`
			`1`	`4`	`9`	`16`	`23`	`30`	`37`	`44`	`44`
				`1`	`5`	`14`	`30`	`53`	`83`	`120`	`164`
					`1`	`6`	`20`	`50`	`103`	`186`	`306`
						`1`	`7`	`27`	`77`	`180`	`366`
							`1`	`8`	`35`	`112`	`292`
								`1`	`9`	`44`	`156`
									`1`	`10`	`54`
										`1`	`11`
											`1`

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)