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.

A116340 n times n+7 gives the concatenation of two numbers m and m+7.

Table of values

n a(n)
1 2
2 33
3 61
4 805
5 4779
6 5215
7 7407
8 48208887
9 51791107
10 77620652
11 4291816089
12 4482541431
13 5517458563
14 5708183905
15 9036996877
16 9737360644
17 3579205562000136225339579332
18 3939042613182345526485238180

List of values

[2, 33, 61, 805, 4779, 5215, 7407, 48208887, 51791107, 77620652, 4291816089, 4482541431, 5517458563, 5708183905, 9036996877, 9737360644, 3579205562000136225339579332, 3939042613182345526485238180]

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

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