A026638 - OEIS

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A026638 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`8`
`3`		`26`
`4`		`92`
`5`		`332`
`6`		`1220`
`7`		`4538`
`8`		`17036`
`9`		`64412`
`10`		`244928`
`11`		`935684`
`12`		`3588392`
`13`		`13806704`
`14`		`53271548`
`15`		`206040506`
`16`		`798600332`
`17`		`3101109164`
`18`		`12062148368`
`19`		`46986821516`
`20`		`183276382472`
`21`		`715748620424`
`22`		`2798274135368`
`23`		`10951009023716`
`24`		`42895901012792`
`25`		`168167959150232`
`26`		`659793819847040`

[1,2,8,26,92,332,1220,4538,17036,64412,244928, 935684,3588392,13806704,53271548,206040506, 798600332,3101109164,12062148368,46986821516, 183276382472,715748620424,2798274135368, 10951009023716,42895901012792,168167959150232, 659793819847040]

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Last modified May 2 03:56 EDT 2024. Contains 372178 sequences. (Running on oeis4.)