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A174236 n-th number k such that k*4-+1 is twin prime pair plus n-th number m such that m*4+2-+1 is twin prime pair. 0

%I #5 Jul 12 2012 00:39:51

%S 2,7,22,28,52,79,85,106,127,148,202,235,250,304,325,409,460,472,493,

%T 550,595,664,682,694,727,775,841,877,937,970,1006,1042,1060,1102,1144,

%U 1225,1267,1315,1414,1462,1489,1513,1567,1654,1675,1714,1747,1774,1813,1897

%N n-th number k such that k*4-+1 is twin prime pair plus n-th number m such that m*4+2-+1 is twin prime pair.

%F a(n)=A045753(n)+A123986(n).

%Y Cf. A045753, A123986.

%K nonn

%O 1,1

%A _Juri-Stepan Gerasimov_, Mar 13 2010

%E Corrected (108 replaced by 106) by _R. J. Mathar_, Apr 16 2010

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)