A026726 - OEIS

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A026726 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`7`
`3`		`27`
`4`		`108`
`5`		`440`
`6`		`1812`
`7`		`7514`
`8`		`31307`
`9`		`130883`
`10`		`548547`
`11`		`2303413`
`12`		`9686617`
`13`		`40783083`
`14`		`171868037`
`15`		`724837891`
`16`		`3058850316`
`17`		`12915186640`
`18`		`54554594416`
`19`		`230526280814`
`20`		`974414815782`
`21`		`4119854160332`
`22`		`17422801069670`
`23`		`73695109608352`
`24`		`311768697325788`
`25`		`1319136935150530`

[1,2,7,27,108,440,1812,7514,31307,130883,548547, 2303413,9686617,40783083,171868037,724837891, 3058850316,12915186640,54554594416,230526280814, 974414815782,4119854160332,17422801069670, 73695109608352,311768697325788,1319136935150530]

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