A055840 - OEIS

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A055840 as a simple table

`n`		`a(n)`
`0`		`13`
`1`		`109`
`2`		`707`
`3`		`4184`
`4`		`23720`
`5`		`131389`
`6`		`717927`
`7`		`3889730`
`8`		`20959485`
`9`		`112529350`
`10`		`602684170`
`11`		`3222508015`
`12`		`17211197614`
`13`		`91855019053`
`14`		`489986311295`
`15`		`2612981923560`
`16`		`13932202684630`
`17`		`74280962031435`
`18`		`396042187457445`
`19`		`2111713236134025`
`20`		`11260951929261216`
`21`		`60058486994980518`
`22`		`320362547860069042`
`23`		`1709162928241695964`

[13,109,707,4184,23720,131389,717927,3889730, 20959485,112529350,602684170,3222508015, 17211197614,91855019053,489986311295, 2612981923560,13932202684630,74280962031435, 396042187457445,2111713236134025, 11260951929261216,60058486994980518, 320362547860069042,1709162928241695964]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)