A149928 - OEIS

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A149928 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`15`
`4`		`48`
`5`		`166`
`6`		`597`
`7`		`2215`
`8`		`8510`
`9`		`33266`
`10`		`132505`
`11`		`537363`
`12`		`2202785`
`13`		`9140543`
`14`		`38334918`
`15`		`162006061`
`16`		`690358870`
`17`		`2962720562`
`18`		`12787564112`
`19`		`55521222256`
`20`		`242295294818`
`21`		`1062048148918`
`22`		`4675861534171`
`23`		`20666381911613`
`24`		`91659316769501`
`25`		`407917282709291`
`26`		`1820948836147556`
`27`		`8151519838832373`

[1,2,5,15,48,166,597,2215,8510,33266,132505, 537363,2202785,9140543,38334918,162006061, 690358870,2962720562,12787564112,55521222256, 242295294818,1062048148918,4675861534171, 20666381911613,91659316769501,407917282709291, 1820948836147556,8151519838832373]

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Last modified September 16 23:59 EDT 2024. Contains 375984 sequences. (Running on oeis4.)