A151355 - OEIS

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A151355 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`4`
`5`		`14`
`6`		`45`
`7`		`120`
`8`		`468`
`9`		`1478`
`10`		`5208`
`11`		`18714`
`12`		`67200`
`13`		`244208`
`14`		`914953`
`15`		`3393606`
`16`		`12865732`
`17`		`48963934`
`18`		`187738332`
`19`		`724740954`
`20`		`2816697570`
`21`		`10990919138`
`22`		`43152034764`
`23`		`170075450764`
`24`		`673260699676`
`25`		`2675316693314`
`26`		`10669114073080`
`27`		`42685090123056`
`28`		`171316969097872`
`29`		`689506156453890`
`30`		`2782631094476893`

[1,0,1,2,4,14,45,120,468,1478,5208,18714,67200, 244208,914953,3393606,12865732,48963934,187738332, 724740954,2816697570,10990919138,43152034764, 170075450764,673260699676,2675316693314, 10669114073080,42685090123056,171316969097872, 689506156453890,2782631094476893]

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