login
A125657
Column 4 of triangle A125653; also equals the eigensequence of the matrix 4th power of A125653.
6
1, 1, 5, 19, 79, 372, 1947, 11177, 69705, 468429, 3369363, 25796583, 209239154, 1790741544, 16114087300, 151993139245, 1498673357622, 15410094488805, 164884814714349, 1832270712038289, 21109130822778032, 251727974604724389
OFFSET
0,3
COMMENTS
Column k of triangle A125653 equals the eigensequence of matrix power A125653^k for k>=0.
FORMULA
a(n) = A125653(n+4,4) = Sum_{k=0..n-1} [A125653^4](n-1,k)*a(k) for n>0 with a(0)=1.
CROSSREFS
Cf. A125653 (triangle); rows: A125654, A125655, A125656; A125658 (row sums); A125659 (central terms).
Sequence in context: A149778 A163609 A149779 * A111929 A146030 A098041
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Nov 30 2006
STATUS
approved