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.

A327600 a(n) is the largest k such that the sum of k consecutive reciprocals 1/p_n + ... + 1/p_(n+k-1) does not exceed 1 (where p_n = n-th prime).

Table of values

n a(n)
1 2
2 8
3 26
4 65
5 143
6 252
7 423
8 650
9 976
10 1391
11 1865
12 2478
13 3168
14 3980
15 4977
16 6136
17 7419
18 8828
19 10476
20 12278
21 14294
22 16612
23 19123
24 21905
25 24903
26 28055
27 31493
28 35319
29 39485
30 44101
31 49115
32 54102
33 59467
34 65142
35 71314
36 77648
37 84503
38 91719
39 99302
40 107364

List of values

[2, 8, 26, 65, 143, 252, 423, 650, 976, 1391, 1865, 2478, 3168, 3980, 4977, 6136, 7419, 8828, 10476, 12278, 14294, 16612, 19123, 21905, 24903, 28055, 31493, 35319, 39485, 44101, 49115, 54102, 59467, 65142, 71314, 77648, 84503, 91719, 99302, 107364]