A013957 - OEIS

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A013957 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`513`
`3`		`19684`
`4`		`262657`
`5`		`1953126`
`6`		`10097892`
`7`		`40353608`
`8`		`134480385`
`9`		`387440173`
`10`		`1001953638`
`11`		`2357947692`
`12`		`5170140388`
`13`		`10604499374`
`14`		`20701400904`
`15`		`38445332184`
`16`		`68853957121`
`17`		`118587876498`
`18`		`198756808749`
`19`		`322687697780`
`20`		`513002215782`
`21`		`794320419872`
`22`		`1209627165996`
`23`		`1801152661464`

[1,513,19684,262657,1953126,10097892,40353608, 134480385,387440173,1001953638,2357947692, 5170140388,10604499374,20701400904,38445332184, 68853957121,118587876498,198756808749, 322687697780,513002215782,794320419872, 1209627165996,1801152661464]

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Last modified May 11 16:51 EDT 2024. Contains 372410 sequences. (Running on oeis4.)