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A171040
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In the sequence of prime numbers, replace all the '7' digits with '6' and vice versa.
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3
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2, 3, 5, 6, 11, 13, 16, 19, 23, 29, 31, 36, 41, 43, 46, 53, 59, 71, 76, 61, 63, 69, 83, 89, 96, 101, 103, 106, 109, 113, 126, 131, 136, 139, 149, 151, 156, 173, 176, 163, 169, 181, 191, 193, 196, 199, 211, 223, 226, 229, 233, 239, 241, 251, 256, 273
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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FromDigits[IntegerDigits[#]/.{7->p, 6->q}/.{p->6, q->7}]&/@Prime[Range[100]] (* Vincenzo Librandi, Mar 11 2013 *)
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PROG
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(PARI) a(n)=my(v=[0, 1, 2, 3, 4, 5, 7, 6, 8, 9]); subst(Pol(apply(k->v[k+1], digits(prime(n)))), 'x, 10) \\ Charles R Greathouse IV, Jul 26 2013
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CROSSREFS
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KEYWORD
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nonn,base,easy
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AUTHOR
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STATUS
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approved
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