Search: id:A001520
Results 1-1 of 1 results found.

%I A001520
%S A001520 15,693,3315,9177,19575,35805,59163,90945,132447,184965,
%T A001520 249795,328233,421575,531117,658155,803985,969903,1157205,
%U A001520 1367187,1601145,1860375,2146173,2459835,2802657,3175935
%N A001520 (6n+1)(6n+3)(6n+5).
%C A001520 Sum_{k>=0} 1/a(k) = log(3)/16 [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), 
               Oct 20 2009]
%F A001520 G.f.: 3*(1+x)*(5+206*x+5*x^2)/(1-x)^4 [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), 
               Oct 20 2009]
%Y A001520 Sequence in context: A092958 A079600 A166186 this_sequence A062079 A062032 
               A117812
%Y A001520 Adjacent sequences: A001517 A001518 A001519 this_sequence A001521 A001522 
               A001523
%K A001520 nonn
%O A001520 0,1
%A A001520 N. J. A. Sloane (njas(AT)research.att.com).

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