A137252 - OEIS

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A137252 as a triangular array

1

0 1

0 0 1

0 0 1 1

0 0 0 4 1

0 0 0 4 11 1

0 0 0 1 33 26 1

0 0 0 0 42 171 57 1

0 0 0 0 26 507 718 120 1

0 0 0 0 8 840 4017 2682 247 1

0 0 0 0 1 865 12866 25531 9327 502 1

0 0 0 0 0 584 26831 138080 141904 30973 1013 1

A137252 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`4`	`4`	`1`	`0`	`0`	`0`	`0`	`0`
`1`	`11`	`33`	`42`	`26`	`8`	`1`	`0`
`1`	`26`	`171`	`507`	`840`	`865`	`584`
`1`	`57`	`718`	`4017`	`12866`	`26831`
`1`	`120`	`2682`	`25531`	`138080`
`1`	`247`	`9327`	`141904`
`1`	`502`	`30973`
`1`	`1013`
`1`

A137252 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
			`1`	`4`	`4`	`1`	`0`	`0`	`0`	`0`	`0`
				`1`	`11`	`33`	`42`	`26`	`8`	`1`	`0`
					`1`	`26`	`171`	`507`	`840`	`865`	`584`
						`1`	`57`	`718`	`4017`	`12866`	`26831`
							`1`	`120`	`2682`	`25531`	`138080`
								`1`	`247`	`9327`	`141904`
									`1`	`502`	`30973`
										`1`	`1013`
											`1`

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Last modified September 18 09:23 EDT 2024. Contains 375999 sequences. (Running on oeis4.)