A221591 - OEIS

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A221591 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`7`
`3`		`17`
`4`		`49`
`5`		`139`
`6`		`393`
`7`		`1113`
`8`		`3151`
`9`		`8921`
`10`		`25257`
`11`		`71507`
`12`		`202449`
`13`		`573169`
`14`		`1622743`
`15`		`4594273`
`16`		`13007201`
`17`		`36825691`
`18`		`104260057`
`19`		`295178697`
`20`		`835703199`
`21`		`2366023849`
`22`		`6698632793`
`23`		`18965016483`
`24`		`53693322401`
`25`		`152015310561`
`26`		`430382282407`
`27`		`1218488508337`
`28`		`3449756892049`

[0,7,17,49,139,393,1113,3151,8921,25257,71507, 202449,573169,1622743,4594273,13007201,36825691, 104260057,295178697,835703199,2366023849, 6698632793,18965016483,53693322401,152015310561, 430382282407,1218488508337,3449756892049]

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Last modified May 5 22:20 EDT 2024. Contains 372290 sequences. (Running on oeis4.)