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 A014576 Smallest n-digit narcissistic (or Armstrong) number: smallest n-digit number equal to sum of n-th powers of its digits (or 0 if no such number exists). 12
 1, 0, 153, 1634, 54748, 548834, 1741725, 24678050, 146511208, 4679307774, 32164049650, 0, 0, 28116440335967, 0, 4338281769391370, 21897142587612075, 0, 1517841543307505039, 63105425988599693916, 128468643043731391252, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 REFERENCES M. Gardner, The Magic Numbers of Dr Matrix. Prometheus, Buffalo, NY, 1985, p. 249. C. A. Pickover, Keys to Infinity. New York: W. H. Freeman, pp. 169-170, 1995. LINKS T. D. Noe, Table of n, a(n) for n=1..39 (complete sequence) Harvey Heinz, Narcissistic Numbers Mike Keith, Wild Narcissistic Numbers (Copy as of May 2008 on web.archive.org - page does not exist any more.) Eric Weisstein's World of Mathematics, Narcissistic Number. MATHEMATICA (* This program is not suitable for more than 10 terms *) a[n_] := For[k = 10^(n-1), True, k++, If[k > 10^n - 1, Return[0], If[k == Total[ IntegerDigits[k]^IntegerLength[k] ], Return[k] ] ] ]; Table[ Print[an = a[n]]; an, {n, 1, 10}] (* Jean-François Alcover, Oct 15 2013 *) CROSSREFS Cf. A001694, A007532, A005934, A005188, A003321, A023052, A046074. Sequence in context: A193249 A050209 A109142 * A087414 A184369 A073938 Adjacent sequences: A014573 A014574 A014575 * A014577 A014578 A014579 KEYWORD nonn,base,fini,full,nice AUTHOR EXTENSIONS Terms and links added by Patrick De Geest, Oct 1998 Broken links fixed by M. F. Hasler, Feb 12 2013 STATUS approved

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Last modified February 4 12:59 EST 2023. Contains 360055 sequences. (Running on oeis4.)