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.

A372215 a(n) is equal to the n-th order Taylor polynomial (centered at 0) of G(x)^n evaluated at x = 1, where G(x) = (1 - 3*x - sqrt(1 - 10*x + 9*x^2))/(2*x) is the g.f. of A082298.

Table of values

n a(n)
0 1
1 5
2 65
3 1013
4 16897
5 292005
6 5157569
7 92456341
8 1675300865
9 30604622405
10 562675808065
11 10398428960309
12 192983418877441
13 3594314403564773
14 67146652988725697
15 1257656071818605013
16 23609209650223284225
17 444081728926392461445
18 8367715805572617168449

List of values

[1, 5, 65, 1013, 16897, 292005, 5157569, 92456341, 1675300865, 30604622405, 562675808065, 10398428960309, 192983418877441, 3594314403564773, 67146652988725697, 1257656071818605013, 23609209650223284225, 444081728926392461445, 8367715805572617168449]