A158650 Indices of single-digit numbers in A061041.

4, 5, 6, 8, 12, 20, 28, 36

Offset: 1

Author

Paul Curtz, Mar 23 2009

Keywords

• nonn
• less
• fini
• full
• base

Comments

The single-digit numbers are 0,9,5,3,1,3,3,5, to be compared with A158270.

From formula A061041(n) = (n^2-16) / gcd(n-4,16)^2, this list is complete. - Franklin T. Adams-Watters, Sep 25 2011.

Crossrefs

Cf. A061041.

Formula

{k: A061041(k)<10}.

Extensions

Edited and extended by R. J. Mathar, Apr 04 2009