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.

A180715 E.g.f.: A(x) = Series_Reversion[ x - Sum_{n>=2} (-x)^n/(n(n-1)/2) ].

Table of values

n a(n)
1 1
2 2
3 10
4 84
5 988
6 14944
7 276288
8 6037088
9 152213344
10 4349539776
11 138913306816
12 4903586835328
13 189581185491072
14 7966928227397120
15 361586320101395968
16 17626603314884699136
17 918522989907500809216
18 50952388648850059964416
19 2997739520942089756839936

List of values

[1, 2, 10, 84, 988, 14944, 276288, 6037088, 152213344, 4349539776, 138913306816, 4903586835328, 189581185491072, 7966928227397120, 361586320101395968, 17626603314884699136, 918522989907500809216, 50952388648850059964416, 2997739520942089756839936]

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

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