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.

A116690 a(n) = C(n,8) + C(n,7) + C(n,6) + C(n,5) + C(n,4) + C(n,3) + C(n,2) + C(n,1).

Table of values

n a(n)
0 0
1 1
2 3
3 7
4 15
5 31
6 63
7 127
8 255
9 510
10 1012
11 1980
12 3796
13 7098
14 12910
15 22818
16 39202
17 65535
18 106761
19 169765
20 263949
21 401929
22 600369
23 880969
24 1271625
25 1807780
26 2533986
27 3505698
28 4791322
29 6474540
30 8656936
31 11460948
32 15033172
33 19548045

List of values

[0, 1, 3, 7, 15, 31, 63, 127, 255, 510, 1012, 1980, 3796, 7098, 12910, 22818, 39202, 65535, 106761, 169765, 263949, 401929, 600369, 880969, 1271625, 1807780, 2533986, 3505698, 4791322, 6474540, 8656936, 11460948, 15033172, 19548045]