cp's OEIS Frontend

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.

A134849 Number of nonzero digits in A134847(n).

Table of values

n	a(n)
1	3
2	3
3	3
4	4
5	4
6	4
7	4
8	5
9	5
10	4
11	6
12	6
13	6
14	7
15	6
16	7
17	7
18	8
19	8

List of values

[3, 3, 3, 4, 4, 4, 4, 5, 5, 4, 6, 6, 6, 7, 6, 7, 7, 8, 8]

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

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