A133645 Integers arising in A133677.
2, 5, 15, 77, 187, 345, 551, 1107, 1457, 1855, 2301, 3337, 4565, 5251, 6767, 7597, 8475, 11397, 12467, 14751, 18537, 19895, 21301, 24257, 25807, 34277, 36115, 38001, 41917, 43947, 46025, 48151, 52547, 57135, 64377, 66887, 80157, 82955, 85801
Offset: 1
Keywords
Links
- Robert Price, Table of n, a(n) for n = 1..10018
Programs
-
Mathematica
Union[Table[If[IntegerQ[Prime[n]*(2*Prime[n] - 1)/3], Prime[n]*(2*Prime[n] - 1)/3, {}], {n, 1, 100}]]