%I A008465
%S A008465 1,12,120,1040,7840,52864,327936,1912320,10644480,57164800,
%T A008465 298428416,1522626560,7622451200,37551144960,182458122240,
%U A008465 875972788224,4161315274752,19583780782080,91393766195200
%N A008465 2^(2n-6) . C(n,3) - 2^(n-2) . C(n,4).
%p A008465 f := n->2^(2*n-6)*binomial(n,3)-2^(n-2)*binomial(n,4);
%Y A008465 Sequence in context: A009035 A009140 A012273 this_sequence A115902 A004332 
               A129329
%Y A008465 Adjacent sequences: A008462 A008463 A008464 this_sequence A008466 A008467 
               A008468
%K A008465 nonn
%O A008465 3,2
%A A008465 N. J. A. Sloane (njas(AT)research.att.com), C. L. Mallows (colinm(AT)research.avayalabs.com)