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.

A220697 Least prime in a string of exactly n consecutive primes all differing by semiprimes.

Table of values

n a(n)
1 2
2 7
3 19
4 43
5 109
6 151
7 2341
8 937
9 9343
10 25633
11 62467
12 125659
13 634223
14 696481
15 36787867
16 160729363
17 186611561
18 2687549003
19 35217744131
20 3961140077
21 52556322253
22 114326649397
23 348705174313
24 15234953708851
25 163229981102789
26 87255058923913

List of values

[2, 7, 19, 43, 109, 151, 2341, 937, 9343, 25633, 62467, 125659, 634223, 696481, 36787867, 160729363, 186611561, 2687549003, 35217744131, 3961140077, 52556322253, 114326649397, 348705174313, 15234953708851, 163229981102789, 87255058923913]