A226890 - OEIS

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A226890 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`31`
`5`		`151`
`6`		`451`
`7`		`1051`
`8`		`33601`
`9`		`663601`
`10`		`5187001`
`11`		`25905001`
`12`		`254322751`
`13`		`10408719751`
`14`		`128046088171`
`15`		`920598820051`
`16`		`29249420054401`
`17`		`723848667813601`
`18`		`12441294278905201`
`19`		`138598703861148241`
`20`		`4406639731521827551`
`21`		`93453608310743628151`
`22`		`1932981245635597160851`
`23`		`27744052310106087405451`

[1,1,1,1,31,151,451,1051,33601,663601,5187001, 25905001,254322751,10408719751,128046088171, 920598820051,29249420054401,723848667813601, 12441294278905201,138598703861148241, 4406639731521827551,93453608310743628151, 1932981245635597160851,27744052310106087405451]

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Last modified August 30 22:39 EDT 2024. Contains 375550 sequences. (Running on oeis4.)