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 A165981 Primes p which are equal to 2 plus the sum of three consecutive primes. 1
 17, 43, 61, 73, 271, 313, 331, 373, 397, 409, 521, 691, 733, 751, 773, 859, 1051, 1063, 1153, 1171, 1231, 1459, 1613, 1669, 1759, 1823, 1933, 2053, 2131, 2473, 2551, 2707, 2843, 2917, 2953, 2999, 3163, 3221, 3331, 3371, 3469, 3517, 3541, 3583, 3671, 3719 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 EXAMPLE 17 is in the sequence because 2+3+5+7=17; 43=2+11+13+17; 271=2+83+89+97. MATHEMATICA Select[Total[#] + 2 & / @Partition[Prime[Range[200]], 3, 1], PrimeQ] (* Vincenzo Librandi, Sep 13 2013 *) CROSSREFS Cf. A034961. [R. J. Mathar, Oct 14 2009] Sequence in context: A260553 A165285 A200321 * A109998 A328998 A031340 Adjacent sequences: A165978 A165979 A165980 * A165982 A165983 A165984 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Oct 03 2009 EXTENSIONS Edited by N. J. A. Sloane, Oct 04 2009 Terms from 313 to 773 inserted by R. J. Mathar, Oct 14 2009 STATUS approved

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Last modified May 18 16:47 EDT 2024. Contains 372664 sequences. (Running on oeis4.)