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.

A228827 Numerators of the first bisection of the inverse binomial transform of the rational sequence with e.g.f. (x/2)*(exp(-x)+1)/(exp(x)-1).

Table of values

n a(n)
0 1
1 25
2 599
3 4285
4 15599
5 169625
6 33578309
7 344155
8 133697983
9 941417335
10 1729982389
11 3184334285
12 274574499509
13 2625798955
14 1611022490371
15 123951819730625
16 9814145542783
17 3453861186955
18 -25128299959971711973
19 2945661954537595
20 -260933954573210488051

List of values

[1, 25, 599, 4285, 15599, 169625, 33578309, 344155, 133697983, 941417335, 1729982389, 3184334285, 274574499509, 2625798955, 1611022490371, 123951819730625, 9814145542783, 3453861186955, -25128299959971711973, 2945661954537595, -260933954573210488051]