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A156621 5-almost primes of the form p^2 - 2, where p is prime. +0
2
1442399, 8993999, 16007999, 18258527, 25090079, 51136799, 71690087, 95433359, 108722327, 119617967, 136913399, 141538607, 144264119, 146724767, 151856327, 177928919, 187169759, 198443567, 212080967, 230644967, 233386727, 249924479 (list; graph; listen)
OFFSET

1,1

COMMENT

Corresponding primes are A156620.

This sequence is infinite: See A156620 for comments and references.

PROGRAM

(PARI) forprime(p=2, prime(2500), ap=p^2-2; if(bigomega(ap)==5, print1(ap, ", ")))

CROSSREFS

Cf. A156620, A014614.

Sequence in context: A064871 A054852 A015361 this_sequence A108841 A124490 A124491

Adjacent sequences: A156618 A156619 A156620 this_sequence A156622 A156623 A156624

KEYWORD

nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), Feb 11 2009

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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