A253180 - OEIS

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A253180 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`2`
`5`		`2`
`6`		`0`
`7`		`5`
`8`		`15`
`9`		`5`
`10`		`0`
`11`		`14`
`12`		`98`
`13`		`84`
`14`		`14`
`15`		`0`
`16`		`42`
`17`		`630`
`18`		`1050`
`19`		`420`
`20`		`42`
`21`		`0`
`22`		`132`
`23`		`4092`
`24`		`11880`
`25`		`8580`
`26`		`1980`
`27`		`132`
`28`		`0`
`29`		`429`
`30`		`27027`
`31`		`129129`
`32`		`150150`
`33`		`60060`
`34`		`9009`
`35`		`429`
`36`		`0`
`37`		`1430`
`38`		`181610`
`39`		`1381380`
`40`		`2432430`
`41`		`1501500`
`42`		`380380`
`43`		`40040`
`44`		`1430`
`45`		`0`
`46`		`4862`
`47`		`1239810`
`48`		`14707550`
`49`		`37777740`
`50`		`33795762`
`51`		`12864852`
`52`		`2246244`
`53`		`175032`
`54`		`4862`

[1,0,1,0,2,2,0,5,15,5,0,14,98,84,14,0,42,630,1050, 420,42,0,132,4092,11880,8580,1980,132,0,429,27027, 129129,150150,60060,9009,429,0,1430,181610, 1381380,2432430,1501500,380380,40040,1430,0,4862, 1239810,14707550,37777740,33795762,12864852, 2246244,175032,4862]

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Last modified May 9 10:58 EDT 2024. Contains 372350 sequences. (Running on oeis4.)