A030811 - OEIS

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A030811 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`4`
`3`		`13`
`4`		`52`
`5`		`262`
`6`		`1574`
`7`		`11023`
`8`		`88186`
`9`		`793680`
`10`		`7936804`
`11`		`87304847`
`12`		`1047658165`
`13`		`13619556146`
`14`		`190673786051`
`15`		`2860106790769`
`16`		`45761708652310`
`17`		`777949047089272`
`18`		`14003082847606913`
`19`		`266058574104531353`
`20`		`5321171482090627067`

[2,4,13,52,262,1574,11023,88186,793680,7936804, 87304847,1047658165,13619556146,190673786051, 2860106790769,45761708652310,777949047089272, 14003082847606913,266058574104531353, 5321171482090627067]

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Last modified May 31 22:12 EDT 2024. Contains 373007 sequences. (Running on oeis4.)