A018240 - OEIS

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A018240 as a simple table

`n`		`a(n)`
`3`		`1`
`4`		`1`
`5`		`2`
`6`		`3`
`7`		`7`
`8`		`12`
`9`		`24`
`10`		`45`
`11`		`91`
`12`		`176`
`13`		`352`
`14`		`693`
`15`		`1387`
`16`		`2752`
`17`		`5504`
`18`		`10965`
`19`		`21931`
`20`		`43776`
`21`		`87552`
`22`		`174933`
`23`		`349867`
`24`		`699392`
`25`		`1398784`
`26`		`2796885`
`27`		`5593771`
`28`		`11186176`
`29`		`22372352`
`30`		`44741973`
`31`		`89483947`
`32`		`178962432`
`33`		`357924864`
`34`		`715838805`
`35`		`1431677611`
`36`		`2863333376`
`37`		`5726666752`

[1,1,2,3,7,12,24,45,91,176,352,693,1387,2752,5504, 10965,21931,43776,87552,174933,349867,699392, 1398784,2796885,5593771,11186176,22372352, 44741973,89483947,178962432,357924864,715838805, 1431677611,2863333376,5726666752]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)