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.

A116348 Numbers k such that k*(k+1) gives the concatenation of two numbers m and m+9.

Table of values

n a(n)
1 10
2 90
3 3678
4 6322
5 8788
6 48745
7 51255
8 87619
9 3762556
10 6237444
11 9217102
12 3266298276
13 3520463766
14 6479536234
15 6733701724
16 8063694650
17 8317860140
18 4689524709430934476
19 5310475290569065524
20 7416797436703661749

List of values

[10, 90, 3678, 6322, 8788, 48745, 51255, 87619, 3762556, 6237444, 9217102, 3266298276, 3520463766, 6479536234, 6733701724, 8063694650, 8317860140, 4689524709430934476, 5310475290569065524, 7416797436703661749]

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

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