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.

A246360 a(1) = 1, then A007051 ((3^n)+1)/2 interleaved with A057198 (5*3^(n-1)+1)/2.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 8
6 14
7 23
8 41
9 68
10 122
11 203
12 365
13 608
14 1094
15 1823
16 3281
17 5468
18 9842
19 16403
20 29525
21 49208
22 88574
23 147623
24 265721
25 442868
26 797162
27 1328603
28 2391485
29 3985808
30 7174454
31 11957423
32 21523361
33 35872268
34 64570082
35 107616803
36 193710245
37 322850408
38 581130734

List of values

[1, 2, 3, 5, 8, 14, 23, 41, 68, 122, 203, 365, 608, 1094, 1823, 3281, 5468, 9842, 16403, 29525, 49208, 88574, 147623, 265721, 442868, 797162, 1328603, 2391485, 3985808, 7174454, 11957423, 21523361, 35872268, 64570082, 107616803, 193710245, 322850408, 581130734]