A219137 - OEIS

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A219137 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`18`
`3`		`78`
`4`		`331`
`5`		`1400`
`6`		`5949`
`7`		`25277`
`8`		`107353`
`9`		`455938`
`10`		`1936500`
`11`		`8224877`
`12`		`34933256`
`13`		`148370893`
`14`		`630171269`
`15`		`2676507659`
`16`		`11367850562`
`17`		`48282330086`
`18`		`205068091043`
`19`		`870979546682`
`20`		`3699285278069`
`21`		`15711863292777`
`22`		`66732525229601`

[4,18,78,331,1400,5949,25277,107353,455938, 1936500,8224877,34933256,148370893,630171269, 2676507659,11367850562,48282330086,205068091043, 870979546682,3699285278069,15711863292777, 66732525229601]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)