A155639 - OEIS

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A155639 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`12`
`3`		`92`
`4`		`672`
`5`		`4652`
`6`		`31032`
`7`		`201812`
`8`		`1288992`
`9`		`8124572`
`10`		`50700552`
`11`		`313968932`
`12`		`1932641712`
`13`		`11839990892`
`14`		`72260648472`
`15`		`439667406452`
`16`		`2668522016832`
`17`		`16163719991612`
`18`		`97745259402792`
`19`		`590286253682372`
`20`		`3560791008422352`

[1,2,12,92,672,4652,31032,201812,1288992,8124572, 50700552,313968932,1932641712,11839990892, 72260648472,439667406452,2668522016832, 16163719991612,97745259402792,590286253682372, 3560791008422352]

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Last modified April 23 02:53 EDT 2024. Contains 371906 sequences. (Running on oeis4.)