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.

A203715 E.g.f.: Sum_{n>=1} log((1 + exp(2*x^n))/2).

Table of values

n a(n)
1 1
2 3
3 6
4 34
5 120
6 1096
7 5040
8 56848
9 362880
10 5451136
11 39916800
12 688876288
13 6227020800
14 130789805056
15 1307674368000
16 29497569445888
17 355687428096000
18 9746045395173376
19 121645100408832000
20 3451902721622867968
21 51090942171709440000
22 1686006043164464644096

List of values

[1, 3, 6, 34, 120, 1096, 5040, 56848, 362880, 5451136, 39916800, 688876288, 6227020800, 130789805056, 1307674368000, 29497569445888, 355687428096000, 9746045395173376, 121645100408832000, 3451902721622867968, 51090942171709440000, 1686006043164464644096]

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

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