A257956 - OEIS

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A257956 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`24`
`4`		`74`
`5`		`220`
`6`		`626`
`7`		`1754`
`8`		`4860`
`9`		`13390`
`10`		`36762`
`11`		`100728`
`12`		`275666`
`13`		`753898`
`14`		`2060924`
`15`		`5632550`
`16`		`15391650`
`17`		`42056008`
`18`		`114907626`
`19`		`313947186`
`20`		`857741852`
`21`		`2343430222`

[1,6,24,74,220,626,1754,4860,13390,36762,100728, 275666,753898,2060924,5632550,15391650,42056008, 114907626,313947186,857741852,2343430222]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)