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.

A176266 Binomial(prime(n),s)/prime(n) where s is the sum of the decimal digits of n.

Table of values

n a(n)
1 1
2 1
3 2
4 5
5 42
6 132
7 1144
8 3978
9 35530
10 1
11 15
12 210
13 2470
14 22386
15 228459
16 2908360
17 37584261
18 284291205
19 3701413144
20 35
21 852
22 19019
23 349812
24 6529292
25 132435472
26 2000945100
27 24366118700
28 328386663605
29 3520256293710
30 2072
31 81375
32 2271776
33 59988852
34 1227434238
35 33401522154
36 584134601050
37 11919696387170
38 234924043375476
39 3924875235562164
40 208335

List of values

[1, 1, 2, 5, 42, 132, 1144, 3978, 35530, 1, 15, 210, 2470, 22386, 228459, 2908360, 37584261, 284291205, 3701413144, 35, 852, 19019, 349812, 6529292, 132435472, 2000945100, 24366118700, 328386663605, 3520256293710, 2072, 81375, 2271776, 59988852, 1227434238, 33401522154, 584134601050, 11919696387170, 234924043375476, 3924875235562164, 208335]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.