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 A164624 Primes p such that p + Floor[p/2] + Floor[p/3] is prime. 1
 2, 3, 11, 13, 23, 37, 59, 83, 109, 131, 181, 191, 193, 229, 311, 337, 373, 383, 397, 443, 479, 541, 563, 599, 613, 743, 769, 877, 911, 983, 1019, 1021, 1031, 1091, 1093, 1129, 1153, 1163, 1237, 1283, 1297, 1319, 1381, 1451, 1453, 1489, 1523, 1559, 1571, 1597 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS 11+5+3=19, 13+6+4=23, 23+11+7=41, .. LINKS Table of n, a(n) for n=1..50. MATHEMATICA lst={}; Do[p=Prime[n]; If[PrimeQ[p+Floor[p/2]+Floor[p/3]], AppendTo[lst, p]], {n, 2*6!}]; lst CROSSREFS Subsequence of A038874. Cf. A038874, A097933 Sequence in context: A062350 A163498 A038874 * A215819 A040101 A045317 Adjacent sequences: A164621 A164622 A164623 * A164625 A164626 A164627 KEYWORD nonn AUTHOR Vladimir Joseph Stephan Orlovsky, Aug 17 2009 EXTENSIONS Edited by Charles R Greathouse IV, Nov 02 2009 STATUS approved

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Last modified August 11 14:26 EDT 2024. Contains 375072 sequences. (Running on oeis4.)