1,1

Definition: n is a k-morphic number if n^k ends with n

3-morphic numbers = 7-morphic numbers, see A033819; 5-morphic numbers = 13-morphic numbers, see A068407.

Table of n, a(n) for n=1..67.

(PARI) k=21; for(n=1, 10000, if((n^k)%(10^ceil(log(n)/log(10))) == n; print1(n, ", ")))

Cf. A072496.

Sequence in context: A317589 A141807 A246422 * A257671 A285523 A126968

Adjacent sequences: A072492 A072493 A072494 * A072496 A072497 A072498

nonn

Benoit Cloitre, Oct 19 2002

approved