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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.

A136354 a(n) is the smallest odd composite number m such that m+2 is prime and the set of distinct prime factors of m consists of the first n odd primes.

Table of values

n a(n)
1 9
2 15
3 105
4 3465
5 15015
6 765765
7 33948915
8 334639305
9 3234846615
10 100280245065
11 3710369067405
12 1369126185872445
13 32706903329175075
14 307444891294245705
15 211829530101735290745
16 961380175077106319535
17 762374478836145311391255

List of values

[9, 15, 105, 3465, 15015, 765765, 33948915, 334639305, 3234846615, 100280245065, 3710369067405, 1369126185872445, 32706903329175075, 307444891294245705, 211829530101735290745, 961380175077106319535, 762374478836145311391255]

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

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