A291057 - OEIS

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A291057 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`1`
`4`		`4`
`5`		`6`
`6`		`4`
`7`		`1`
`8`		`10`
`9`		`45`
`10`		`120`
`11`		`210`
`12`		`252`
`13`		`210`
`14`		`120`
`15`		`45`
`16`		`10`
`17`		`1`
`18`		`26`
`19`		`325`
`20`		`2600`
`21`		`14950`
`22`		`65780`
`23`		`230230`
`24`		`657800`
`25`		`1562275`
`26`		`3124550`
`27`		`5311735`
`28`		`7726160`
`29`		`9657700`
`30`		`10400600`
`31`		`9657700`
`32`		`7726160`
`33`		`5311735`
`34`		`3124550`
`35`		`1562275`
`36`		`657800`
`37`		`230230`
`38`		`65780`
`39`		`14950`
`40`		`2600`
`41`		`325`
`42`		`26`
`43`		`1`

[1,1,2,1,4,6,4,1,10,45,120,210,252,210,120,45,10, 1,26,325,2600,14950,65780,230230,657800,1562275, 3124550,5311735,7726160,9657700,10400600,9657700, 7726160,5311735,3124550,1562275,657800,230230, 65780,14950,2600,325,26,1]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)