A161949 - OEIS

A161949

Base-12 Armstrong or narcissistic numbers (written in base 10).

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 29, 125, 811, 944, 1539, 28733, 193084, 887690, 2536330, 6884751, 17116683, 5145662993, 25022977605, 39989277598, 294245206529, 301149802206, 394317605931, 429649124722, 446779986586

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

OFFSET

1,2

LINKS

Joseph Myers, Table of n, a(n) for n = 1..87 (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[#, 12]^IntegerLength[#, 12]] &] (* 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), A161950 (base 13), A161951 (base 14), A161952 (base 15), A161953 (base 16).

Sequence in context: A132030 A288327 A300819 * A004851 A066638 A285769

Adjacent sequences: A161946 A161947 A161948 * A161950 A161951 A161952

KEYWORD

base,fini,full,nonn

AUTHOR

Joseph Myers, Jun 22 2009

STATUS

approved