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.

A116279 Numbers k such that k*(k+2) gives the concatenation of two numbers m and m-1.

Table of values

n a(n)
1 36363636363
2 45454545454
3 54545454545
4 63636363636
5 72727272727
6 81818181818
7 90909090909
8 428571428571428571428
9 571428571428571428571
10 714285714285714285714
11 857142857142857142857

List of values

[36363636363, 45454545454, 54545454545, 63636363636, 72727272727, 81818181818, 90909090909, 428571428571428571428, 571428571428571428571, 714285714285714285714, 857142857142857142857]

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

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