A023887 - OEIS

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A023887 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`5`
`3`		`28`
`4`		`273`
`5`		`3126`
`6`		`47450`
`7`		`823544`
`8`		`16843009`
`9`		`387440173`
`10`		`10009766650`
`11`		`285311670612`
`12`		`8918294543346`
`13`		`302875106592254`
`14`		`11112685048647250`
`15`		`437893920912786408`
`16`		`18447025552981295105`
`17`		`827240261886336764178`
`18`		`39346558271492178925595`
`19`		`1978419655660313589123980`

[1,5,28,273,3126,47450,823544,16843009,387440173, 10009766650,285311670612,8918294543346, 302875106592254,11112685048647250, 437893920912786408,18447025552981295105, 827240261886336764178,39346558271492178925595, 1978419655660313589123980]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)