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.

A295137 Solution of the complementary equation a(n) = 3*a(n-1) + b(n-1) - n, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences.

Table of values

n a(n)
0 1
1 2
2 8
3 26
4 80
5 242
6 729
7 2190
8 6573
9 19722
10 59169
11 177510
12 532533
13 1597602
14 4792809
15 14378430
16 43135293
17 129405882

List of values

[1, 2, 8, 26, 80, 242, 729, 2190, 6573, 19722, 59169, 177510, 532533, 1597602, 4792809, 14378430, 43135293, 129405882]