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.

A384936 a(n) = Sum_{k=1..n} floor( log(A002110(n)) / log(prime(k)) ).

Table of values

n a(n)
0 0
1 1
2 3
3 9
4 16
5 28
6 42
7 57
8 76
9 97
10 121
11 148
12 177
13 208
14 242
15 279
16 316
17 359
18 401
19 446
20 493
21 545
22 596
23 651
24 708
25 767
26 829
27 893
28 958
29 1026
30 1096
31 1170
32 1246
33 1319
34 1400
35 1484
36 1567
37 1657
38 1742
39 1834
40 1923
41 2021
42 2119
43 2218
44 2316
45 2419
46 2526
47 2635
48 2745
49 2857
50 2972

List of values

[0, 1, 3, 9, 16, 28, 42, 57, 76, 97, 121, 148, 177, 208, 242, 279, 316, 359, 401, 446, 493, 545, 596, 651, 708, 767, 829, 893, 958, 1026, 1096, 1170, 1246, 1319, 1400, 1484, 1567, 1657, 1742, 1834, 1923, 2021, 2119, 2218, 2316, 2419, 2526, 2635, 2745, 2857, 2972]