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A162231
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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.
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11
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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; internal format)
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OFFSET
| 1,3
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LINKS
| Joseph Myers, Table of n, a(n) for n=1..1130 (complete to 160 base 8 digits)
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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 * A132028 A193551 A069188
Adjacent sequences: A162228 A162229 A162230 * A162232 A162233 A162234
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KEYWORD
| base,nonn
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AUTHOR
| Joseph Myers (jsm(AT)polyomino.org.uk), Jun 28 2009
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