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.

A086827 Smaller member of a twin prime pair such that the sum sets a record for number of prime divisors (counted with multiplicity).

Table of values

n a(n)
1 3
2 11
3 59
4 71
5 191
6 1151
7 14591
8 15359
9 138239
10 675839
11 737279
12 786431
13 22118399
14 36175871
15 63700991
16 138412031
17 169869311
18 1321205759
19 4076863487
20 10871635967
21 24159191039
22 370440929279
23 1793819934719
24 2348273369087
25 14637248544767
26 56358560858111
27 79164837199871
28 659706976665599

List of values

[3, 11, 59, 71, 191, 1151, 14591, 15359, 138239, 675839, 737279, 786431, 22118399, 36175871, 63700991, 138412031, 169869311, 1321205759, 4076863487, 10871635967, 24159191039, 370440929279, 1793819934719, 2348273369087, 14637248544767, 56358560858111, 79164837199871, 659706976665599]

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

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