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A162231 Base 8 perfect digital invariants (written in base 10): numbers equal to the sum of the k-th powers of their base-8 digits, for some k. 11
0, 1, 2, 3, 4, 5, 6, 7, 16, 17, 20, 52, 92, 128, 129, 133, 256, 257, 272, 273, 307, 432, 433, 1024, 1025, 1056, 1057, 2323, 8192, 8193, 13379, 16384, 16385, 16512, 16513, 16819, 17864, 17865, 24583, 25639, 65536, 65537, 65792, 65793, 212419, 524288, 524289 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Joseph Myers, Table of n, a(n) for n=1..1130 (complete to 160 base 8 digits)

CROSSREFS

Cf. A162232 (corresponding exponents), A010354 (restriction to power = number of digits), A033840, A162233. In other bases: A162216 (base 3), A162219 (base 4), A162222 (base 5), A162225 (base 6), A162228 (base 7), A162234 (base 9), A023052 (base 10).

Sequence in context: A161673 A004836 A039030 * A250045 A132028 A285724

Adjacent sequences:  A162228 A162229 A162230 * A162232 A162233 A162234

KEYWORD

base,nonn

AUTHOR

Joseph Myers, Jun 28 2009

STATUS

approved

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Last modified April 26 09:52 EDT 2019. Contains 322472 sequences. (Running on oeis4.)