A010344 Base-4 Armstrong or narcissistic numbers (written in base 10).

1, 2, 3, 28, 29, 35, 43, 55, 62, 83, 243

Offset

1,2

Links

Table of n, a(n) for n=1..11.

Eric Weisstein's World of Mathematics, Narcissistic Number

D. T. Winter, Table of Armstrong Numbers

Prog

(PARI) A010344=select( n->n==vecsum([d^#n|d<-n=digits(n, 4)]), [0..333]) \\ M. F. Hasler, Nov 18 2019

Crossrefs

Cf. A010343 (a(n) written in base 4).

In other bases: A010346 (base 5), A010348 (base 6), A010350 (base 7), A010354 (base 8), A010353 (base 9), A005188 (base 10), A161948 (base 11), A161949 (base 12), A161950 (base 13), A161951 (base 14), A161952 (base 15), A161953 (base 16).

Sequence in context: A279825 A279962 A037320 * A037316 A032813 A337560

Adjacent sequences: A010341 A010342 A010343 * A010345 A010346 A010347

Keyword

base,fini,full,nonn

Author

N. J. A. Sloane

Extensions

Edited by Joseph Myers, Jun 28 2009

Status

approved