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.

A116961 Numbers of the form 2^(2^k-1)-1, 2^(2^k-1), 2^(2^k)-1, 2^(2^k).

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 7
7 8
8 15
9 16
10 127
11 128
12 255
13 256
14 32767
15 32768
16 65535
17 65536
18 2147483647
19 2147483648
20 4294967295
21 4294967296
22 9223372036854775807
23 9223372036854775808
24 18446744073709551615
25 18446744073709551616

List of values

[0, 1, 2, 3, 4, 7, 8, 15, 16, 127, 128, 255, 256, 32767, 32768, 65535, 65536, 2147483647, 2147483648, 4294967295, 4294967296, 9223372036854775807, 9223372036854775808, 18446744073709551615, 18446744073709551616]