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A102203 Iccanobirt semiprimes (13 of 15): Semiprime numbers in A102123. +0
2
4, 26, 49, 1651, 44311, 38141, 45901, 990681, 8041777, 60558487, 8252802091, 1348187591, 11280376871, 49455591538, 1658081357516741, 15268848817955861, 6791980801494070261, 8278821177559776598, 759117158185214871379 (list; graph; listen)
OFFSET

0,1

FORMULA

a(n) = A102123(A102183(n)).

CROSSREFS

Cf. A001358, A102123, A102191-A102205.

Sequence in context: A022386 A059178 A056193 this_sequence A099442 A014450 A142962

Adjacent sequences: A102200 A102201 A102202 this_sequence A102204 A102205 A102206

KEYWORD

nonn

AUTHOR

Jonathan Vos Post (jvospost3(AT)gmail.com) and Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 31 2004

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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