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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.

A086940 a(n) = k where R(k+4) = 2.

Table of values

n a(n)
1 16
2 196
3 1996
4 19996
5 199996
6 1999996
7 19999996
8 199999996
9 1999999996
10 19999999996
11 199999999996
12 1999999999996
13 19999999999996
14 199999999999996
15 1999999999999996
16 19999999999999996
17 199999999999999996
18 1999999999999999996
19 19999999999999999996

List of values

[16, 196, 1996, 19996, 199996, 1999996, 19999996, 199999996, 1999999996, 19999999996, 199999999996, 1999999999996, 19999999999996, 199999999999996, 1999999999999996, 19999999999999996, 199999999999999996, 1999999999999999996, 19999999999999999996]

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

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