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a(1) = 1; then primes associated with A091850.
1

%I #8 Mar 11 2014 01:32:13

%S 1,5,17,29,59,89,173,229,373,463,617,773,877,1031,1181,1453,1759,2029,

%T 2447,2927,3347,3853,4451,5051,5801,6529,7393,8317,9419,10289,11777,

%U 12641,13763,15259,16519,17203,18757,20543,22571,23971,26021

%N a(1) = 1; then primes associated with A091850.

%C Proposed by _Leroy Quet_, Feb 13 2004; computed by several people including Fred W. Helenius, Feb 14 2004.

%Y Cf. A091850.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Mar 13 2004