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A175612 Pairs of cousin semiprimes (m, m+4). 10

%I #9 Feb 10 2018 17:53:29

%S 6,10,10,14,21,25,22,26,34,38,35,39,51,55,58,62,65,69,82,86,87,91,91,

%T 95,111,115,115,119,118,122,119,123,129,133,141,145,142,146,155,159,

%U 183,187,201,205,202,206,205,209,209,213,213,217,214,218,215,219,217,221

%N Pairs of cousin semiprimes (m, m+4).

%t SequencePosition[PrimeOmega[Range[300]], {2, _, _, _, 2}] // Flatten (* _Jean-François Alcover_, Feb 10 2018 *)

%Y Cf. A077800.

%K nonn

%O 1,1

%A _Juri-Stepan Gerasimov_, Jul 24 2010

%E Edited and terms checked by _D. S. McNeil_, Nov 26 2010

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)