A251685 - OEIS

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A251685 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`18`
`4`		`45`
`5`		`108`
`6`		`252`
`7`		`578`
`8`		`1270`
`9`		`2716`
`10`		`5678`
`11`		`11678`
`12`		`23664`
`13`		`47182`
`14`		`92538`
`15`		`178892`
`16`		`341481`
`17`		`644648`
`18`		`1205062`
`19`		`2231304`
`20`		`4092646`
`21`		`7437680`
`22`		`13398520`
`23`		`23939558`
`24`		`42451586`
`25`		`74754652`
`26`		`130777182`
`27`		`227346498`
`28`		`392806891`
`29`		`674630766`
`30`		`1151926416`
`31`		`1955909898`
`32`		`3303296389`
`33`		`5550556238`
`34`		`9281646642`

[1,2,6,18,45,108,252,578,1270,2716,5678,11678, 23664,47182,92538,178892,341481,644648,1205062, 2231304,4092646,7437680,13398520,23939558, 42451586,74754652,130777182,227346498,392806891, 674630766,1151926416,1955909898,3303296389, 5550556238,9281646642]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)