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A052228
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Automorphic primes: p such that p^p ends with the digits of p.
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2
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5, 11, 31, 41, 61, 71, 101, 151, 193, 251, 401, 499, 557, 601, 701, 751, 1151, 1201, 1249, 1301, 1601, 1693, 1801, 1901, 1951, 2351, 2551, 2801, 3001, 3301, 3701, 4001, 4201, 4751, 4801, 4951, 4999, 5101, 5351, 5501, 5701, 5801, 6101, 6151, 6301, 6551
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 11 is in the sequence because 11 is prime and 11^11=285311670611 ends in 11.
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MATHEMATICA
| Select[ Prime@ Range@863, PowerMod[ #, #, 10^Floor[Log[10, # ] + 1]] == # &] (* Robert G. Wilson v Sep 25 2006 *)
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CROSSREFS
| Cf. A003226.
Sequence in context: A092963 A191069 A045453 * A105910 A023259 A057470
Adjacent sequences: A052225 A052226 A052227 * A052229 A052230 A052231
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KEYWORD
| base,nonn
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AUTHOR
| G. L. Honaker, Jr. (honak3r(AT)gmail.com), Jan 30 2000
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EXTENSIONS
| More terms from Jason Earls (zevi_35711(AT)yahoo.com), Jan 02 2002
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