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.

A378739 A378664(k) computed for those primitively abundant numbers k for which A378664(k) is less than the largest proper divisor of k.

Original entry on oeis.org

6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 68, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 170, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 290, 646, 6, 6, 6, 6, 682, 6
Offset: 1

Views

Author

Antti Karttunen, Dec 07 2024

Keywords

Comments

Of the initial 20000 terms, 19803 are 6's.

Crossrefs

Cf. A091191, A378664, A378738, A378740 (distinct terms in the order of appearance), A378741.

Formula

a(n) = A378664(A378738(n)).