A257783 - OEIS

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A257783 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`1`
`5`		`2`
`6`		`0`
`7`		`1`
`8`		`3`
`9`		`6`
`10`		`0`
`11`		`1`
`12`		`7`
`13`		`12`
`14`		`24`
`15`		`0`
`16`		`1`
`17`		`12`
`18`		`35`
`19`		`60`
`20`		`120`
`21`		`0`
`22`		`1`
`23`		`25`
`24`		`87`
`25`		`210`
`26`		`360`
`27`		`720`
`28`		`0`
`29`		`1`
`30`		`44`
`31`		`232`
`32`		`609`
`33`		`1470`
`34`		`2520`
`35`		`5040`
`36`		`0`
`37`		`1`
`38`		`89`
`39`		`599`
`40`		`1961`
`41`		`4872`
`42`		`11760`
`43`		`20160`
`44`		`40320`
`45`		`0`
`46`		`1`
`47`		`160`
`48`		`1591`
`49`		`5952`
`50`		`17649`
`51`		`43848`
`52`		`105840`
`53`		`181440`
`54`		`362880`
`55`		`0`
`56`		`1`
`57`		`321`
`58`		`4202`
`59`		`19255`
`60`		`60465`
`61`		`176490`
`62`		`438480`
`63`		`1058400`
`64`		`1814400`
`65`		`3628800`

[1,0,1,0,1,2,0,1,3,6,0,1,7,12,24,0,1,12,35,60,120, 0,1,25,87,210,360,720,0,1,44,232,609,1470,2520, 5040,0,1,89,599,1961,4872,11760,20160,40320,0,1, 160,1591,5952,17649,43848,105840,181440,362880,0, 1,321,4202,19255,60465,176490,438480,1058400, 1814400,3628800]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)