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.

A348793 G.f. A(x) satisfies A(x) = (1 + x * A(x)^3) / (1 - 2 * x).

Table of values

n a(n)
0 1
1 3
2 15
3 102
4 807
5 6951
6 63240
7 597864
8 5815167
9 57815553
10 584919951
11 6002197914
12 62321630100
13 653553174756
14 6912106219176
15 73642451396160
16 789642274208271
17 8515008918555573
18 92281921130853213
19 1004600177464845450
20 10980406558088695599
21 120454756647900759543

List of values

[1, 3, 15, 102, 807, 6951, 63240, 597864, 5815167, 57815553, 584919951, 6002197914, 62321630100, 653553174756, 6912106219176, 73642451396160, 789642274208271, 8515008918555573, 92281921130853213, 1004600177464845450, 10980406558088695599, 120454756647900759543]

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

Content is available under The OEIS End-User License Agreement.