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.

A347666 E.g.f.: exp( exp(x) * (1 + x + x^2 / 2 + x^3 / 6) - 1 ).

Table of values

n a(n)
0 1
1 2
2 8
3 40
4 239
5 1648
6 12778
7 109476
8 1023520
9 10341878
10 112067820
11 1294254184
12 15847382977
13 204827368606
14 2784056034014
15 39665514607872
16 590684848605779
17 9170941154737032
18 148120725648168260
19 2483657480026985432
20 43157660169344697996
21 775898068395820783674

List of values

[1, 2, 8, 40, 239, 1648, 12778, 109476, 1023520, 10341878, 112067820, 1294254184, 15847382977, 204827368606, 2784056034014, 39665514607872, 590684848605779, 9170941154737032, 148120725648168260, 2483657480026985432, 43157660169344697996, 775898068395820783674]