A180142 - OEIS

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A180142 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`14`
`3`		`54`
`4`		`204`
`5`		`774`
`6`		`2934`
`7`		`11124`
`8`		`42174`
`9`		`159894`
`10`		`606204`
`11`		`2298294`
`12`		`8713494`
`13`		`33035364`
`14`		`125246574`
`15`		`474845814`
`16`		`1800277164`
`17`		`6825368934`
`18`		`25876938294`
`19`		`98106921684`
`20`		`371951579934`
`21`		`1410175504854`
`22`		`5346381254364`
`23`		`20269670277654`
`24`		`76848154596054`
`25`		`291353474621124`

[1,4,14,54,204,774,2934,11124,42174,159894,606204, 2298294,8713494,33035364,125246574,474845814, 1800277164,6825368934,25876938294,98106921684, 371951579934,1410175504854,5346381254364, 20269670277654,76848154596054,291353474621124]

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)