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.

A295133 Solution of the complementary equation a(n) = 3*a(n-1) + b(n-1), 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 10
3 35
4 111
5 340
6 1028
7 3093
8 9290
9 27882
10 83659
11 250991
12 752988
13 2258980
14 6776957
15 20330889
16 60992686
17 182978078
18 548934255

List of values

[1, 2, 10, 35, 111, 340, 1028, 3093, 9290, 27882, 83659, 250991, 752988, 2258980, 6776957, 20330889, 60992686, 182978078, 548934255]

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

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