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A157996 Primes which are sum of two not consecutive primes p1 and p2, (p2-p1)>2. +0
1
11, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283 (list; graph; listen)
OFFSET

1,1

COMMENT

11=3+7+1, 17=5+11+1, 19=5+13+1, ...

MATHEMATICA

lst={}; Do[p0=Prime[n]; Do[px=Prime[n+k]; If[PrimeQ[a=p0+px+1], AppendTo[lst, a]], {k, 2, 2*5!}], {n, 6!}]; Take[Union[lst], 222]

CROSSREFS

Cf. A000040, A076805, A005385, A092738, A118071, A157995

Sequence in context: A050891 A061751 A063449 this_sequence A050713 A038966 A050778

Adjacent sequences: A157993 A157994 A157995 this_sequence A157997 A157998 A157999

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Mar 11 2009

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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