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.

A296965 Expansion of x*(1 - x + 2*x^2) / ((1 - x)*(1 - 2*x)).

Table of values

n a(n)
0 0
1 1
2 2
3 6
4 14
5 30
6 62
7 126
8 254
9 510
10 1022
11 2046
12 4094
13 8190
14 16382
15 32766
16 65534
17 131070
18 262142
19 524286
20 1048574
21 2097150
22 4194302
23 8388606
24 16777214
25 33554430
26 67108862
27 134217726
28 268435454
29 536870910
30 1073741822
31 2147483646
32 4294967294
33 8589934590
34 17179869182

List of values

[0, 1, 2, 6, 14, 30, 62, 126, 254, 510, 1022, 2046, 4094, 8190, 16382, 32766, 65534, 131070, 262142, 524286, 1048574, 2097150, 4194302, 8388606, 16777214, 33554430, 67108862, 134217726, 268435454, 536870910, 1073741822, 2147483646, 4294967294, 8589934590, 17179869182]