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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.

A047903 a(1) = 13; for n > 0, a(n+1) = a(n) * sum of digits of a(n).

Table of values

n a(n)
1 13
2 52
3 364
4 4732
5 75712
6 1665664
7 56632576
8 2265303040
9 56632576000
10 2265303040000
11 56632576000000
12 2265303040000000
13 56632576000000000
14 2265303040000000000
15 56632576000000000000
16 2265303040000000000000

List of values

[13, 52, 364, 4732, 75712, 1665664, 56632576, 2265303040, 56632576000, 2265303040000, 56632576000000, 2265303040000000, 56632576000000000, 2265303040000000000, 56632576000000000000, 2265303040000000000000]

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

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