A152403 - OEIS

%I #2 Mar 30 2012 18:37:15

%S 1,4,24,182,1636,16844,194384,2476868,34461956,519070980,8405444924,

%T 145502477888,2679656009072,52289220500822,1077289873778412,

%U 23361106832257087,531744673834247758,12673569230875132668

%N Column 3 of triangle A152400.

%C Matrix powers of triangle T=A152400 satisfy:

%C column k of T^(j+1) = column j of T^(k+1) for all j>=0, k>=0.

%Y Cf. A152400; A127715, A152401, A152402, A152404; A152405.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Dec 05 2008