%I A027626
%S A027626 1,2,10,5,7,28,12,15,55,22,26,91,35,40,136,51,57,190,70,
%T A027626 77,253,92,100,325,117,126,406,145,155,496,176,187,595,
%U A027626 210,222,703,247,260,820,287,301,946,330,345,1081,376,392
%N A027626 Denominator of n*(n+5)/((n+2)*(n+3)).
%F A027626 a(n) = GCD of n-th and (n+1)st tetrahedral numbers (A000292). - Ross 
               La Haye (rlahaye(AT)new.rr.com), Sep 13 2003
%F A027626 G.f.: (x^8-2x^5+x^4+2x^3+10x^2+2x+1)/(1-x^3)^3.
%Y A027626 Cf. A027625.
%Y A027626 Sequence in context: A000170 A038216 A145911 this_sequence A096668 A114232 
               A070730
%Y A027626 Adjacent sequences: A027623 A027624 A027625 this_sequence A027627 A027628 
               A027629
%K A027626 nonn,frac
%O A027626 0,2
%A A027626 N. J. A. Sloane (njas(AT)research.att.com).