A037578 - OEIS

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

A037578 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`9`
`3`		`55`
`4`		`333`
`5`		`1999`
`6`		`11997`
`7`		`71983`
`8`		`431901`
`9`		`2591407`
`10`		`15548445`
`11`		`93290671`
`12`		`559744029`
`13`		`3358464175`
`14`		`20150785053`
`15`		`120904710319`
`16`		`725428261917`
`17`		`4352569571503`
`18`		`26115417429021`
`19`		`156692504574127`
`20`		`940155027444765`
`21`		`5640930164668591`

[1,9,55,333,1999,11997,71983,431901,2591407, 15548445,93290671,559744029,3358464175, 20150785053,120904710319,725428261917, 4352569571503,26115417429021,156692504574127, 940155027444765,5640930164668591]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)