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.

A116295 Numbers k such that k*(k+2) gives the concatenation of two numbers m and m+1.

Table of values

n a(n)
1 8873
2 9010
3 83352841
4 99000100
5 329767122287
6 670232877712
7 738226276372
8 933006600340
9 999000001000
10 3779410975143114
11 3872816717528066
12 4250291784692549
13 4278630943941866
14 4372036686326818
15 4749511753491301

List of values

[8873, 9010, 83352841, 99000100, 329767122287, 670232877712, 738226276372, 933006600340, 999000001000, 3779410975143114, 3872816717528066, 4250291784692549, 4278630943941866, 4372036686326818, 4749511753491301]

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

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