A257740 - OEIS

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A257740 as a triangular array

1

0 1

0 2 3

0 3 14 13

0 5 49 114 73

0 7 148 672 1028 501

0 11 427 3334 9182 10310 4051

0 15 1170 15030 66584 129485 114402 37633

0 22 3150 63978 428653 1285815 1918083 1394414 394353

0 30 8288 261880 2557972 11117600 24917060 30044014 18536744 4596553

A257740 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`3`	`5`	`7`	`11`	`15`	`22`	`30`
`3`	`14`	`49`	`148`	`427`	`1170`	`3150`	`8288`
`13`	`114`	`672`	`3334`	`15030`	`63978`	`261880`
`73`	`1028`	`9182`	`66584`	`428653`	`2557972`
`501`	`10310`	`129485`	`1285815`	`11117600`
`4051`	`114402`	`1918083`	`24917060`
`37633`	`1394414`	`30044014`
`394353`	`18536744`
`4596553`

A257740 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`3`	`5`	`7`	`11`	`15`	`22`	`30`
		`3`	`14`	`49`	`148`	`427`	`1170`	`3150`	`8288`
			`13`	`114`	`672`	`3334`	`15030`	`63978`	`261880`
				`73`	`1028`	`9182`	`66584`	`428653`	`2557972`
					`501`	`10310`	`129485`	`1285815`	`11117600`
						`4051`	`114402`	`1918083`	`24917060`
							`37633`	`1394414`	`30044014`
								`394353`	`18536744`
									`4596553`

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Last modified July 18 04:06 EDT 2024. Contains 374377 sequences. (Running on oeis4.)