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.

A080380 Least n such that n consecutive values in A080378 equal 0; i.e., exactly n differences between consecutive primes are divisible by 4.

Table of values

n a(n)
1 4
2 24
3 46
4 153
5 1480
6 90
7 3875
8 1395
9 16591
10 61457
11 240748
12 21355
13 772038
14 613491
15 804584
16 6067263
17 16791134
18 16138563
19 37593808
20 250379098
21 73857828
22 124789332
23 56307979
24 3295708683
25 3511121443
26 27497699943
27 64430269615
28 26284355567
29 118413975572
30 225822728018
31 4645422093
32 118027458557

List of values

[4, 24, 46, 153, 1480, 90, 3875, 1395, 16591, 61457, 240748, 21355, 772038, 613491, 804584, 6067263, 16791134, 16138563, 37593808, 250379098, 73857828, 124789332, 56307979, 3295708683, 3511121443, 27497699943, 64430269615, 26284355567, 118413975572, 225822728018, 4645422093, 118027458557]