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 A208270 Primes containing a digit 1. 11
 11, 13, 17, 19, 31, 41, 61, 71, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 241, 251, 271, 281, 311, 313, 317, 331, 401, 419, 421, 431, 461, 491, 521, 541, 571, 601, 613, 617, 619, 631, 641, 661 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Subsequence of A011531, A062634, A092911 and A092912. Supersequence of A106101, A045707 and A030430. Complement of A208271 with respect to A011531. LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..10000 Index entries for sequences related to decimal expansion of n FORMULA a(n) ~ n log n since the sequence contains almost all primes. - Charles R Greathouse IV, Mar 04 2012 MATHEMATICA Select[Prime[Range[124]], MemberQ[IntegerDigits[#], 1] &](* Jayanta Basu, Apr 01 2013 *) Select[Prime[Range[200]], DigitCount[#, 10, 1]>0&] (* Harvey P. Dale, Dec 15 2020 *) PROG (PARI) forprime(p=2, 1e3, s=vecsort(eval(Vec(Str(p))), , 8); if(s[1]==1||(s[1]==0&&s[2]==1), print1(p", "))) \\ Charles R Greathouse IV, Mar 04 2012 (PARI) is_A208270(n)=isprime(n)&setsearch(Set(Vec(Str(n))), 1) \\ M. F. Hasler, Mar 05 2012 (Magma) [p: p in PrimesUpTo(400) | 1 in Intseq(p)]; // Vincenzo Librandi, Apr 29 2019 CROSSREFS Cf. A208271 (nonprimes containing a digit 1), A011531 (numbers containing a digit 1). Complement of A038603 in A000040. - M. F. Hasler, Mar 05 2012 Sequence in context: A092911 A062634 A239058 * A106101 A032590 A181576 Adjacent sequences: A208267 A208268 A208269 * A208271 A208272 A208273 KEYWORD nonn,base,easy AUTHOR Jaroslav Krizek, Mar 04 2012 STATUS approved

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Last modified November 29 13:49 EST 2023. Contains 367445 sequences. (Running on oeis4.)