A000228 - OEIS

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A000228 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`7`
`5`		`22`
`6`		`82`
`7`		`333`
`8`		`1448`
`9`		`6572`
`10`		`30490`
`11`		`143552`
`12`		`683101`
`13`		`3274826`
`14`		`15796897`
`15`		`76581875`
`16`		`372868101`
`17`		`1822236628`
`18`		`8934910362`
`19`		`43939164263`
`20`		`216651036012`
`21`		`1070793308942`
`22`		`5303855973849`
`23`		`26323064063884`
`24`		`130878392115834`
`25`		`651812979669234`
`26`		`3251215493161062`
`27`		`16240020734253127`
`28`		`81227147768301723`
`29`		`406770970805865187`
`30`		`2039375198751047333`

[1,1,3,7,22,82,333,1448,6572,30490,143552,683101, 3274826,15796897,76581875,372868101,1822236628, 8934910362,43939164263,216651036012,1070793308942, 5303855973849,26323064063884,130878392115834, 651812979669234,3251215493161062, 16240020734253127,81227147768301723, 406770970805865187,2039375198751047333]

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)