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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.

A282175 a(n) is the smallest product M=p_1*p_2*...*p_n with distinct primes p_i such that M+2^n=B, where B=q_1*q_2*...*q_n with distinct primes q_i, or a(n)=0 if there is no such M.

Table of values

n a(n)
1 3
2 6
3 70
4 2030
5 42978
6 1788710
7 63905142
8 5705962314
9 888081948858
10 120056591419170

List of values

[3, 6, 70, 2030, 42978, 1788710, 63905142, 5705962314, 888081948858, 120056591419170]

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

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