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.

A248956 Number of polynomials a_k*x^k + ... + a_1*x + a_0 with k > 0, integer coefficients and only non-multiple positive integer roots and a_0 = p^n (p is a prime).

Table of values

n a(n)
0 1
1 3
2 5
3 9
4 13
5 19
6 27
7 37
8 49
9 65
10 85
11 109
12 139
13 175
14 219
15 273
16 337
17 413
18 505
19 613
20 741
21 893
22 1071
23 1279
24 1523
25 1807
26 2137
27 2521
28 2965
29 3477
30 4069
31 4749
32 5529
33 6425
34 7449
35 8619
36 9955
37 11475
38 13203
39 15167
40 17393
41 19913
42 22765
43 25985
44 29617
45 33713
46 38321
47 43501

List of values

[1, 3, 5, 9, 13, 19, 27, 37, 49, 65, 85, 109, 139, 175, 219, 273, 337, 413, 505, 613, 741, 893, 1071, 1279, 1523, 1807, 2137, 2521, 2965, 3477, 4069, 4749, 5529, 6425, 7449, 8619, 9955, 11475, 13203, 15167, 17393, 19913, 22765, 25985, 29617, 33713, 38321, 43501]