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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.

A191244 a(1)=1; for n>1, a(n) = n*(10^n-1)/9 written in base n.

Table of values

n a(n)
1 1
2 10110
3 110100
4 1011130
5 3234210
6 22142230
7 123052510
8 523053070
9 2520607100
10 11111111110
11 479110292610
12 19641010776330
13 80101410369310
14 210510130141118110
15 1212103125891481260
16 315281211715711270
17 12138214138151315710
18 56015814091312161590
19 1780471401817161317410
20 6151213981715112481715110

List of values

[1, 10110, 110100, 1011130, 3234210, 22142230, 123052510, 523053070, 2520607100, 11111111110, 479110292610, 19641010776330, 80101410369310, 210510130141118110, 1212103125891481260, 315281211715711270, 12138214138151315710, 56015814091312161590, 1780471401817161317410, 6151213981715112481715110]

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

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