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.

A116349 Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+9.

Table of values

n a(n)
1 32
2 66
3 42755
4 57243
5 75425
6 425074
7 574924
8 979530
9 4301395
10 5698603
11 7028668
12 4925000749
13 5074999249
14 7748266576
15 8511881486
16 8814851186
17 7059602159674
18 7106167933830
19 7439286611623
20 7485852385779
21 46791112884927

List of values

[32, 66, 42755, 57243, 75425, 425074, 574924, 979530, 4301395, 5698603, 7028668, 4925000749, 5074999249, 7748266576, 8511881486, 8814851186, 7059602159674, 7106167933830, 7439286611623, 7485852385779, 46791112884927]

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

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