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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A212156 a(n) = ((6*A023000(n))^3 + 1)/7^n, n >= 0.

Table of values

n a(n)
0 1
1 31
2 2257
3 116623
4 5757601
5 282424831
6 13840934257
7 678220602223
8 33232913275201
9 1628413476849631
10 79792265450186257
11 3909821042651007823
12 191581231339042552801
13 9387480337357087274431
14 459986536542705291758257

List of values

[1, 31, 2257, 116623, 5757601, 282424831, 13840934257, 678220602223, 33232913275201, 1628413476849631, 79792265450186257, 3909821042651007823, 191581231339042552801, 9387480337357087274431, 459986536542705291758257]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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