A030913 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A030913 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`7`
`4`		`31`
`5`		`156`
`6`		`940`
`7`		`6580`
`8`		`52642`
`9`		`473778`
`10`		`4737780`
`11`		`52115580`
`12`		`625386966`
`13`		`8130030563`
`14`		`113820427882`
`15`		`1707306418237`
`16`		`27316902691801`
`17`		`464387345760618`
`18`		`8358972223691130`
`19`		`158820472250131476`
`20`		`3176409445002629538`

[1,2,7,31,156,940,6580,52642,473778,4737780, 52115580,625386966,8130030563,113820427882, 1707306418237,27316902691801,464387345760618, 8358972223691130,158820472250131476, 3176409445002629538]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)