A024800 - OEIS

%I #11 Aug 28 2024 10:27:22

%S 1,5,14,28,48,73,103,138,179,226,277,333,395,461,531,608,691,777,869,

%T 966,1068,1175,1287,1403,1526,1653,1783,1921,2063,2209,2362,2518,2682,

%U 2849,3022,3197,3378,3567,3759,3956,4160,4366,4578,4795,5018,5245,5476,5713

%N a(n) = position of 3*(n^2) in A000408.

%Y Cf. A000408.

%K nonn

%O 1,2

%A _Clark Kimberling_

%E Corrected and extended by _David W. Wilson_, May 15 1997