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.

A087405 First differences of A087404: a(n) = A087404(n) - A087404(n-1), a(0) = A087404(0).

Table of values

n a(n)
0 2
1 2
2 22
3 98
4 502
5 2498
6 12502
7 62498
8 312502
9 1562498
10 7812502
11 39062498
12 195312502
13 976562498
14 4882812502
15 24414062498
16 122070312502
17 610351562498
18 3051757812502
19 15258789062498
20 76293945312502
21 381469726562498
22 1907348632812502
23 9536743164062498

List of values

[2, 2, 22, 98, 502, 2498, 12502, 62498, 312502, 1562498, 7812502, 39062498, 195312502, 976562498, 4882812502, 24414062498, 122070312502, 610351562498, 3051757812502, 15258789062498, 76293945312502, 381469726562498, 1907348632812502, 9536743164062498]

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

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