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.

A226526 Slowest-growing sequence of semiprimes where 1/(sp+1) sums to 1 without actually reaching it.

Table of values

n a(n)
1 4
2 6
3 9
4 10
5 14
6 15
7 21
8 22
9 25
10 26
11 33
12 34
13 35
14 38
15 39
16 46
17 69
18 1497
19 259465
20 4852747709
21 3429487924785490781
22 305153651313989042415043589313598477
23 21932475414742921908206321699222250910796483151080020353252738457741771

List of values

[4, 6, 9, 10, 14, 15, 21, 22, 25, 26, 33, 34, 35, 38, 39, 46, 69, 1497, 259465, 4852747709, 3429487924785490781, 305153651313989042415043589313598477, 21932475414742921908206321699222250910796483151080020353252738457741771]

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

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