A027213 - OEIS

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A027213 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`27`
`4`		`92`
`5`		`440`
`6`		`1556`
`7`		`7514`
`8`		`27082`
`9`		`130883`
`10`		`477258`
`11`		`2303413`
`12`		`8465592`
`13`		`40783083`
`14`		`150735628`
`15`		`724837891`
`16`		`2690363900`
`17`		`12915186640`
`18`		`48093650016`
`19`		`230526280814`
`20`		`860654319126`
`21`		`4119854160332`
`22`		`15413262342946`
`23`		`73695109608352`
`24`		`276180051478904`
`25`		`1319136935150530`
`26`		`4950605267226796`

[1,2,6,27,92,440,1556,7514,27082,130883,477258, 2303413,8465592,40783083,150735628,724837891, 2690363900,12915186640,48093650016,230526280814, 860654319126,4119854160332,15413262342946, 73695109608352,276180051478904,1319136935150530, 4950605267226796]

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