A161950 - OEIS

A161950

Base-13 Armstrong or narcissistic numbers (written in base 10).

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 17, 45, 85, 98, 136, 160, 793, 794, 854, 1968, 8194, 62481, 167544, 167545, 294094, 320375, 323612, 325471, 325713, 350131, 365914, 2412003, 4861352, 21710514, 43757311, 43757312, 46299414, 51798568, 52994053

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Joseph Myers, Table of n, a(n) for n = 1..201 (the full list of terms, from Winter)

Henk Koppelaar and Peyman Nasehpour, On Hardy's Apology Numbers, arXiv:2008.08187 [math.NT], 2020.

Eric Weisstein's World of Mathematics, Narcissistic Number

D. T. Winter, Table of Armstrong Numbers

MATHEMATICA

Select[Range[10^7], # == Total[IntegerDigits[#, 13]^IntegerLength[#, 13]] &] (* Michael De Vlieger, Nov 04 2020 *)

CROSSREFS

In other bases: A010344 (base 4), A010346 (base 5), A010348 (base 6), A010350 (base 7), A010354 (base 8), A010353 (base 9), A005188 (base 10), A161948 (base 11), A161949 (base 12), A161951 (base 14), A161952 (base 15), A161953 (base 16).

Sequence in context: A293715 A276393 A193457 * A111470 A227508 A246200

Adjacent sequences: A161947 A161948 A161949 * A161951 A161952 A161953

KEYWORD

base,fini,full,nonn

AUTHOR

Joseph Myers, Jun 22 2009

STATUS

approved