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 A031157 Numbers that are both lucky and prime. 12
 3, 7, 13, 31, 37, 43, 67, 73, 79, 127, 151, 163, 193, 211, 223, 241, 283, 307, 331, 349, 367, 409, 421, 433, 463, 487, 541, 577, 601, 613, 619, 631, 643, 673, 727, 739, 769, 787, 823, 883, 937, 991, 997, 1009, 1021, 1039, 1087, 1093, 1117, 1123 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A010051(a(n))*A145649(a(n)) = 1. [Reinhard Zumkeller, Oct 19 2008] LINKS T. D. Noe, Table of n, a(n) for n=1..10000 Wikipedia, Lucky prime MATHEMATICA luckies = Range[1, 1248, 2]; i = 2; While[ i <= (len = Length@luckies) && (k = luckies[[i]]) <= len, luckies = Drop[luckies, {k, len, k}]; i++ ]; Select[luckies, PrimeQ@# &] (* Robert G. Wilson v, May 12 2006 *) CROSSREFS Cf. A000959, A055728. Sequence in context: A249378 A136060 A023227 * A049488 A136051 A100750 Adjacent sequences:  A031154 A031155 A031156 * A031158 A031159 A031160 KEYWORD nonn AUTHOR STATUS approved

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Last modified December 15 08:53 EST 2018. Contains 318148 sequences. (Running on oeis4.)