A003581 - OEIS

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A003581 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`13`
`3`		`143`
`4`		`1852`
`5`		`27563`
`6`		`473725`
`7`		`9290396`
`8`		`203745235`
`9`		`4912490375`
`10`		`128777672338`
`11`		`3643086083981`
`12`		`110557605978901`
`13`		`3579776914324250`
`14`		`123074955978249433`
`15`		`4474133111905169219`
`16`		`171363047274358839412`
`17`		`6893620459732188296591`
`18`		`290475101469031118494993`

[1,2,13,143,1852,27563,473725,9290396,203745235, 4912490375,128777672338,3643086083981, 110557605978901,3579776914324250, 123074955978249433,4474133111905169219, 171363047274358839412,6893620459732188296591, 290475101469031118494993]

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Last modified April 19 02:28 EDT 2024. Contains 371782 sequences. (Running on oeis4.)