A051223 - OEIS

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A051223 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`0`
`7`		`0`
`8`		`0`
`9`		`0`
`10`		`4`
`11`		`44`
`12`		`156`
`13`		`1876`
`14`		`5180`
`15`		`32516`
`16`		`202900`
`17`		`1330622`
`18`		`8924976`
`19`		`64492432`
`20`		`495864256`
`21`		`3977841852`
`22`		`34092182276`
`23`		`306819842212`
`24`		`2883202816808`
`25`		`28144109776812`
`26`		`286022102245804`

[1,0,0,0,0,0,0,0,0,4,44,156,1876,5180,32516, 202900,1330622,8924976,64492432,495864256, 3977841852,34092182276,306819842212,2883202816808, 28144109776812,286022102245804]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)