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.

A060211 Larger term of a pair of twin primes such that the prime factors of their average are only 2 and 3. Proper subset of A058383.

Table of values

n a(n)
1 7
2 13
3 19
4 73
5 109
6 193
7 433
8 1153
9 2593
10 139969
11 472393
12 786433
13 995329
14 57395629
15 63700993
16 169869313
17 4076863489
18 10871635969
19 2348273369089
20 56358560858113
21 79164837199873
22 84537841287169
23 150289495621633
24 578415690713089
25 1141260857376769
26 57711166318706689

List of values

[7, 13, 19, 73, 109, 193, 433, 1153, 2593, 139969, 472393, 786433, 995329, 57395629, 63700993, 169869313, 4076863489, 10871635969, 2348273369089, 56358560858113, 79164837199873, 84537841287169, 150289495621633, 578415690713089, 1141260857376769, 57711166318706689]

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

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