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 A010350 Base-7 Armstrong or narcissistic numbers (written in base 10). 14
 1, 2, 3, 4, 5, 6, 10, 25, 32, 45, 133, 134, 152, 250, 3190, 3222, 3612, 3613, 4183, 9286, 35411, 191334, 193393, 376889, 535069, 794376, 8094840, 10883814, 16219922, 20496270, 32469576, 34403018, 416002778, 416352977, 420197083, 725781499, 1500022495, 15705029375, 15705029376, 28700208851 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Like the other single-digit terms, zero would satisfy the definition (n = Sum_{i=1..k} d[i]^k when d[1..k] are the digits of n), but here only positive numbers are considered. - M. F. Hasler, Nov 20 2019 LINKS Joseph Myers, Table of n, a(n) for n = 1..59 (the full list of terms, from Winter) Eric Weisstein's World of Mathematics, Narcissistic Number D. T. Winter, Table of Armstrong Numbers PROG (PARI) select( {is_A010350(n)=n==vecsum([d^#n|d<-n=digits(n, 7)])}, [0..10^6]) \\ This yields only terms < 10^6, for illustration of is_A010350(). - M. F. Hasler, Nov 20 2019 CROSSREFS Cf. A010349 (a(n) written in base 7). In other bases: A010344 (base 4), A010346 (base 5), A010348 (base 6), 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: A306109 A281513 A270890 * A306581 A269858 A269848 Adjacent sequences:  A010347 A010348 A010349 * A010351 A010352 A010353 KEYWORD base,fini,full,nonn AUTHOR EXTENSIONS Edited by Joseph Myers, Jun 28 2009 STATUS approved

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Last modified May 26 13:49 EDT 2020. Contains 334626 sequences. (Running on oeis4.)