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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.

A014935 a(1)=1, a(n) = n*18^(n-1) + a(n-1).

Table of values

n a(n)
1 1
2 37
3 1009
4 24337
5 549217
6 11886625
7 249972193
8 5147732449
9 104327377633
10 2087920281313
11 41363059774177
12 812583980724961
13 15851391939265249
14 307372900058661601
15 5929573413789876961
16 113875823277429211873
17 2178347851919531492065
18 41524755927216069067489
19 789106509357850283000545

List of values

[1, 37, 1009, 24337, 549217, 11886625, 249972193, 5147732449, 104327377633, 2087920281313, 41363059774177, 812583980724961, 15851391939265249, 307372900058661601, 5929573413789876961, 113875823277429211873, 2178347851919531492065, 41524755927216069067489, 789106509357850283000545]

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

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