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.

A367641 G.f. A(x) satisfies A(x) = (1 + x)^2 + x*A(x)^4 / (1 + x)^3.

Table of values

n a(n)
0 1
1 3
2 10
3 64
4 504
5 4368
6 40208
7 385728
8 3813888
9 38590208
10 397648384
11 4158436864
12 44020882944
13 470804670464
14 5079479547904
15 55217003536384
16 604200374845440
17 6649658071007232
18 73560096496779264
19 817467602640830464
20 9121818467786162176

List of values

[1, 3, 10, 64, 504, 4368, 40208, 385728, 3813888, 38590208, 397648384, 4158436864, 44020882944, 470804670464, 5079479547904, 55217003536384, 604200374845440, 6649658071007232, 73560096496779264, 817467602640830464, 9121818467786162176]