A228681 - OEIS

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

A228681 as a simple table

`n`		`a(n)`
`1`		`21`
`2`		`217`
`3`		`2529`
`4`		`28977`
`5`		`333517`
`6`		`3837761`
`7`		`44171841`
`8`		`508425617`
`9`		`5852202757`
`10`		`67361890809`
`11`		`775372578689`
`12`		`8924976046401`
`13`		`102731553583965`
`14`		`1182498825731233`
`15`		`13611237290882689`
`16`		`156673123529460833`
`17`		`1803397245448244085`

[21,217,2529,28977,333517,3837761,44171841, 508425617,5852202757,67361890809,775372578689, 8924976046401,102731553583965,1182498825731233, 13611237290882689,156673123529460833, 1803397245448244085]

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 5 06:29 EDT 2024. Contains 374935 sequences. (Running on oeis4.)