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A090606 A089144 indexed by A000040. 5

%I #9 Aug 04 2021 02:22:59

%S 1,2,4,7,8,15,16,17,19,27,30,31,37,52,57,61,65,75,76,78,87,91,106,112,

%T 113,118,143,145,155,158,165,184,188,207,220,229,237,241,265,269,278,

%U 288,295,306,307,311,312,332,346,360,368,383,388,393,404,418,439,449

%N A089144 indexed by A000040.

%C Prime(k)*6 - 3 -+ 2 are both prime. - _Juri-Stepan Gerasimov_, Mar 19 2010

%F a(n)=k such that A000040(k)=A089144(n).

%Y Cf. A089144, A090607, A090608, A090609, A090610.

%K nonn

%O 1,2

%A _Ray Chandler_, Dec 06 2003

%E Offset changed to 1 by _Jinyuan Wang_, Aug 03 2021

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)