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a(n)=(A112998(n)-1)/12
2

%I #6 Mar 30 2012 17:26:37

%S 5,6,16,23,33,35,51,55,63,91,103,121,138,178,195,216,233,243,268,348,

%T 385,436,510,511,518,588,628,675,693,696,710,723,741,751,773,810,818,

%U 863,913,930,973,975,1025,1035,1036,1045,1070,1071,1115,1161,1260,1273,1311,1336,1365,1368,1386,1438,1441,1448,1490,1501,1508,1521,1540,1546,1623,1651,1655,1720

%N a(n)=(A112998(n)-1)/12

%C All terms in A112998 are congruent to 1 modulo 12, hence this sequence.

%H Zak Seidov, <a href="/A186696/b186696.txt">Table of n, a(n) for n = 1..1500</a>

%Y Cf. A112998.

%K nonn

%O 1,1

%A _Zak Seidov_, Feb 25 2011