OFFSET
0,3
COMMENTS
Triangle T=A132625 is generated by matrix powers of itself such that row n+1 of T = row n of T^(2^n) with appended '1' for n>=0 with T(0,0)=1.
PROG
(PARI) {a(n)=local(A=vector(n+1), p); A[1]=1; for(j=1, n, p=2^n-2^(n-j)-j; A=Vec((Polrev(A)+x*O(x^p))/(1-x))); A[p+1]}
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Aug 25 2007
STATUS
approved