A000087 - OEIS

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A000087 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`1`
`3`		`2`
`4`		`4`
`5`		`10`
`6`		`37`
`7`		`138`
`8`		`628`
`9`		`2972`
`10`		`14903`
`11`		`76994`
`12`		`409594`
`13`		`2222628`
`14`		`12281570`
`15`		`68864086`
`16`		`391120036`
`17`		`2246122574`
`18`		`13025721601`
`19`		`76194378042`
`20`		`449155863868`
`21`		`2666126033850`
`22`		`15925105028685`
`23`		`95664343622234`
`24`		`577651490729530`

[2,1,2,4,10,37,138,628,2972,14903,76994,409594, 2222628,12281570,68864086,391120036,2246122574, 13025721601,76194378042,449155863868, 2666126033850,15925105028685,95664343622234, 577651490729530]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)