%I
%S 1,8,29,85,225,561,1345,3137,7169,16129,35841,78849,172033,372737,
%T 802817,1720321,3670017,7798785,16515073,34865153,73400321,154140673,
%U 322961409,675282945,1409286145,2936012801,6106906625,12683575297
%N a(n) = T(6,n), array T given by A048472.
%H Vincenzo Librandi, <a href="/A048478/b048478.txt">Table of n, a(n) for n = 0..1000</a>
%F a(n) = 7*n * 2^(n1) + 1.
%o (MAGMA) [7*n * 2^(n1) + 1: n in [0..30]]; // Vincenzo Librandi, Sep 23 2011
%Y nth difference of a(n), a(n1), ..., a(0) is (7, 14, 21, ...).
%K nonn,easy
%O 0,2
%A _Clark Kimberling_
