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.

A136344 Least primes p1 such that gap between p1 and p2=nextprime(p1) contains no semiprimes. Gap is 1 for n=0 (first term) and 2n for n=1..30.

Table of values

n a(n)
1 2
2 11
3 97
4 601
5 6473
6 2521
7 35117
8 63113
9 39343
10 104659
11 705053
12 512821
13 1123279
14 4357781
15 4942711
16 4808987
17 5922317
18 32995057
19 105484481
20 37212113
21 108525829
22 335433389
23 598559963
24 789565537
25 864056573
26 1913815493
27 2311939579

List of values

[2, 11, 97, 601, 6473, 2521, 35117, 63113, 39343, 104659, 705053, 512821, 1123279, 4357781, 4942711, 4808987, 5922317, 32995057, 105484481, 37212113, 108525829, 335433389, 598559963, 789565537, 864056573, 1913815493, 2311939579]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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