A128355 Numbers k such that A122735(n) = n^k - k^n.

0, 5, 4, 0, 14, 7, 20, 11, 10, 273, 14, 13, 38, 89, 68, 0

Offset: 1

Author

Alexander Adamchuk, Mar 05 2007

Keywords

• hard
• more
• nonn

Comments

Currently a(n) is not known for n = {17, 18, 22, 25, 26, 27, 28, ...}.

Crossrefs

Cf. A122735.