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.

A090637 Trajectory of 28 under the map k -> A003415(k) (taking the arithmetic derivative).

Table of values

n a(n)
1 28
2 32
3 80
4 176
5 368
6 752
7 1520
8 3424
9 8592
10 20096
11 70464
12 235072
13 705280
14 3023616
15 13223680
16 55540736
17 278539264
18 1392697344
19 9541095424
20 58609614848
21 410267320320
22 3397142953984
23 24143851798528
24 176071227916288
25 1232666139967488
26 9523075842834432

List of values

[28, 32, 80, 176, 368, 752, 1520, 3424, 8592, 20096, 70464, 235072, 705280, 3023616, 13223680, 55540736, 278539264, 1392697344, 9541095424, 58609614848, 410267320320, 3397142953984, 24143851798528, 176071227916288, 1232666139967488, 9523075842834432]

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

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