A108870 - OEIS

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A108870 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`9`
`3`		`20`
`4`		`46`
`5`		`103`
`6`		`233`
`7`		`525`
`8`		`1182`
`9`		`2660`
`10`		`5985`
`11`		`13467`
`12`		`30301`
`13`		`68178`
`14`		`153401`
`15`		`345152`
`16`		`776591`
`17`		`1747331`
`18`		`3931496`
`19`		`8845866`
`20`		`19903198`
`21`		`44782196`
`22`		`100759940`
`23`		`226709866`
`24`		`510097200`
`25`		`1147718700`
`26`		`2582367076`
`27`		`5810325920`
`28`		`13073233321`
`29`		`29414774973`

[1,4,9,20,46,103,233,525,1182,2660,5985,13467, 30301,68178,153401,345152,776591,1747331,3931496, 8845866,19903198,44782196,100759940,226709866, 510097200,1147718700,2582367076,5810325920, 13073233321,29414774973]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)