A190877 - OEIS

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A190877 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`121`
`6`		`721`
`7`		`2521`
`8`		`6721`
`9`		`15121`
`10`		`1844641`
`11`		`20013841`
`12`		`119845441`
`13`		`519072841`
`14`		`1816454641`
`15`		`223394731561`
`16`		`3501661887361`
`17`		`29675906201761`
`18`		`177923109591361`
`19`		`844925253766561`
`20`		`104750282797418881`

[1,1,1,1,1,121,721,2521,6721,15121,1844641, 20013841,119845441,519072841,1816454641, 223394731561,3501661887361,29675906201761, 177923109591361,844925253766561, 104750282797418881]

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