

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
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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



