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.

A065622 Numerator of 1 - (3/4)^n - frac((3/2)^n), where frac(x) = x - floor(x).

Table of values

n a(n)
0 0
1 -1
2 3
3 13
4 159
5 173
6 1767
7 12789
8 17759
9 126237
10 292183
11 1930245
12 3724303
13 23940141
14 14206087
15 99585429
16 640559295
17 12562430525
18 7042526903
19 43417422885
20 813747135599
21 494896655693
22 3000760993767
23 18098709141429
24 249612172740383

List of values

[0, -1, 3, 13, 159, 173, 1767, 12789, 17759, 126237, 292183, 1930245, 3724303, 23940141, 14206087, 99585429, 640559295, 12562430525, 7042526903, 43417422885, 813747135599, 494896655693, 3000760993767, 18098709141429, 249612172740383]