A061929 - cp's OEIS frontend

A061929 Triangle with n >= k >= 0 where a(n,k) = 2^k3^(n-k)(C(n+1,0)+C(n+1,1)+...C(n+1,k)).

%I A061929 #3 Mar 30 2012 18:51:34
%S A061929 1,3,6,9,24,28,27,90,132,120,81,324,576,624,496,243,1134,2376,3024,
%T A061929 2736,2016,729,3888,9396,13824,14256,11520,8128,2187,13122,35964,
%U A061929 60264,70416,63072,47424,32640,6561,43740,134136,252720,331776,330048,268416
%N A061929 Triangle with n >= k >= 0 where a(n,k) = 2^k*3^(n-k)*(C(n+1,0)+C(n+1,1)+...C(n+1,k)).
%F A061929 a(n, k) =A054143(n, k)*A036561(n, n-k)
%e A061929 Rows start (1), (3,6), (9,24,68), (27,90,132,120) etc.
%Y A061929 Row sums are 5^(n+1)-4^(n+1), i.e. A005060. Cf. A061930.
%K A061929 nonn,tabl
%O A061929 0,2
%A A061929 _Henry Bottomley_, May 22 2001

cp's OEIS Frontend

A061929 Triangle with n >= k >= 0 where a(n,k) = 2^k*3^(n-k)*(C(n+1,0)+C(n+1,1)+...C(n+1,k)).

A061929 Triangle with n >= k >= 0 where a(n,k) = 2^k3^(n-k)(C(n+1,0)+C(n+1,1)+...C(n+1,k)).