A135886 - OEIS

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A135886 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`20`
`3`		`126`
`4`		`980`
`5`		`9186`
`6`		`101492`
`7`		`1296934`
`8`		`18868652`
`9`		`308478492`
`10`		`5605768476`
`11`		`112198139500`
`12`		`2454071216496`
`13`		`58267971181456`
`14`		`1493114371576942`
`15`		`41084194594171729`
`16`		`1208473333806735096`
`17`		`37849717704435895370`

[1,4,20,126,980,9186,101492,1296934,18868652, 308478492,5605768476,112198139500,2454071216496, 58267971181456,1493114371576942,41084194594171729, 1208473333806735096,37849717704435895370]

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Last modified April 23 15:11 EDT 2024. Contains 371914 sequences. (Running on oeis4.)