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.

A088493 a(n) = Sum_{k=1..8} floor(p(n, k)/p(n-1, k)), where p(n, k) = n!/( Product_{i=1..floor(n/2^k)} A004001(i) ).

Table of values

n a(n)
2 16
3 24
4 32
5 40
6 45
7 56
8 60
9 72
10 73
11 88
12 81
13 104
14 101
15 120
16 108
17 136
18 129
19 152
20 129
21 168
22 157
23 184
24 141
25 200
26 185
27 216
28 178
29 232
30 213
31 248
32 188
33 264
34 241
35 280
36 226
37 296
38 269
39 312
40 222
41 328
42 297
43 344
44 273
45 360
46 325
47 376
48 237
49 392
50 353
51 408
52 321
53 424
54 381
55 440

List of values

[16, 24, 32, 40, 45, 56, 60, 72, 73, 88, 81, 104, 101, 120, 108, 136, 129, 152, 129, 168, 157, 184, 141, 200, 185, 216, 178, 232, 213, 248, 188, 264, 241, 280, 226, 296, 269, 312, 222, 328, 297, 344, 273, 360, 325, 376, 237, 392, 353, 408, 321, 424, 381, 440]