A034870 - OEIS

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A034870 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`1`
`4`		`1`
`5`		`4`
`6`		`6`
`7`		`4`
`8`		`1`
`9`		`1`
`10`		`6`
`11`		`15`
`12`		`20`
`13`		`15`
`14`		`6`
`15`		`1`
`16`		`1`
`17`		`8`
`18`		`28`
`19`		`56`
`20`		`70`
`21`		`56`
`22`		`28`
`23`		`8`
`24`		`1`
`25`		`1`
`26`		`10`
`27`		`45`
`28`		`120`
`29`		`210`
`30`		`252`
`31`		`210`
`32`		`120`
`33`		`45`
`34`		`10`
`35`		`1`
`36`		`1`
`37`		`12`
`38`		`66`
`39`		`220`
`40`		`495`
`41`		`792`
`42`		`924`
`43`		`792`
`44`		`495`
`45`		`220`
`46`		`66`
`47`		`12`
`48`		`1`
`49`		`1`
`50`		`14`
`51`		`91`
`52`		`364`
`53`		`1001`
`54`		`2002`
`55`		`3003`
`56`		`3432`
`57`		`3003`
`58`		`2002`
`59`		`1001`
`60`		`364`
`61`		`91`
`62`		`14`
`63`		`1`

[1,1,2,1,1,4,6,4,1,1,6,15,20,15,6,1,1,8,28,56,70, 56,28,8,1,1,10,45,120,210,252,210,120,45,10,1,1, 12,66,220,495,792,924,792,495,220,66,12,1,1,14,91, 364,1001,2002,3003,3432,3003,2002,1001,364,91,14, 1]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)