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.

A116254 k times k+4 gives the concatenation of two numbers m and m-5.

Table of values

n a(n)
1 89
2 9077
3 9899
4 733672
5 998999
6 88225293
7 99989999
8 8900869206
9 9296908810
10 9604060395
11 9999899999
12 326666333265
13 673333666732
14 700730927006
15 972603739725
16 999998999999
17 34519562953735
18 39737862788836
19 49917309624954
20 50082690375043
21 60262137211161
22 65480437046262

List of values

[89, 9077, 9899, 733672, 998999, 88225293, 99989999, 8900869206, 9296908810, 9604060395, 9999899999, 326666333265, 673333666732, 700730927006, 972603739725, 999998999999, 34519562953735, 39737862788836, 49917309624954, 50082690375043, 60262137211161, 65480437046262]

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

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