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.

A183038 G.f.: exp( Sum_{n>=1} A051064(n)*3^A051064(n)*x^n/n ) where A051064(n) equals the 3-adic valuation of 3n.

Table of values

n a(n)
0 1
1 3
2 6
3 15
4 30
5 51
6 93
7 156
8 240
9 387
10 597
11 870
12 1311
13 1920
14 2697
15 3873
16 5448
17 7422
18 10278
19 14016
20 18636
21 25098
22 33402
23 43548
24 57333
25 74757
26 95820
27 123780
28 158637
29 200391
30 254778
31 321798
32 401451
33 503490
34 627915
35 774726
36 960156
37 1184205
38 1446873

List of values

[1, 3, 6, 15, 30, 51, 93, 156, 240, 387, 597, 870, 1311, 1920, 2697, 3873, 5448, 7422, 10278, 14016, 18636, 25098, 33402, 43548, 57333, 74757, 95820, 123780, 158637, 200391, 254778, 321798, 401451, 503490, 627915, 774726, 960156, 1184205, 1446873]