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Search: id:A155833
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| A155833 |
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Primes in which smallest digit is final digit. |
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+0
1
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| 2, 3, 5, 7, 11, 31, 41, 43, 53, 61, 71, 73, 83, 97, 131, 151, 181, 191, 211, 241, 251, 271, 281, 311, 331, 353, 373, 383, 421, 431, 433, 443, 461, 463, 491, 521, 541, 563, 571, 593, 631, 641, 643, 653, 661, 673, 683, 691, 733, 743, 751, 761, 773, 787, 797, 811
(list; graph; listen)
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OFFSET
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1,1
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MAPLE
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A010879 := proc(n) n mod 10 ; end: A054054 := proc(n) min(op(convert(n, base, 10))) ; end: for i from 1 to 500 do p := ithprime(i) ; if A010879(p) = A054054(p) then printf("%d, ", p) ; fi; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 31 2009]
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CROSSREFS
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Cf. A000040.
Sequence in context: A075236 A155081 A157158 this_sequence A028867 A104154 A123214
Adjacent sequences: A155830 A155831 A155832 this_sequence A155834 A155835 A155836
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KEYWORD
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nonn,base
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AUTHOR
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Juri-Stepan Gerasimov (2steran(AT)rambler.ru), Jan 28 2009
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EXTENSIONS
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Corrected by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 31 2009
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