A219136 - OEIS

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A219136 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`6`
`3`		`18`
`4`		`51`
`5`		`142`
`6`		`405`
`7`		`1157`
`8`		`3289`
`9`		`9344`
`10`		`26580`
`11`		`75621`
`12`		`215076`
`13`		`611683`
`14`		`1739781`
`15`		`4948421`
`16`		`14074414`
`17`		`40030688`
`18`		`113856507`
`19`		`323834334`
`20`		`921058929`
`21`		`2619701953`
`22`		`7451032833`
`23`		`21192445976`
`24`		`60276171664`
`25`		`171439240421`
`26`		`487612482144`

[2,6,18,51,142,405,1157,3289,9344,26580,75621, 215076,611683,1739781,4948421,14074414,40030688, 113856507,323834334,921058929,2619701953, 7451032833,21192445976,60276171664,171439240421, 487612482144]

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Last modified April 23 09:22 EDT 2024. Contains 371905 sequences. (Running on oeis4.)