A159194 - OEIS

%I #2 Mar 30 2012 17:26:29

%S 1,4,8,2,7,3,31,11,12,21,13,95,23,96,25,24,26,78,22,64,79,14,81,32,65,

%T 71,33,97,98,66,82,67,99,34,83,301,35,72,68,69,36,245,73,302,201,37,

%U 303,304,246,247,305,74,248,202,203,306,249,38,204,251,39,41,42,205,75,76

%N a(n) = sqrt(A155985(n)).

%C 1. Sequence is infinite.

%C 2. First absent numbers are:

%C 5, 6, 9, 10, 15, 16, 17, 18, 19, 20, 27, 28, 29, 30, 40, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 70, 80, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 100.

%Y A155985

%K nonn

%O 1,2

%A _Zak Seidov_, Apr 05 2009