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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Column k of triangle A125653 equals the eigensequence of matrix power A125653^k for k>=0.

LINKS

Table of n, a(n) for n=0..21.

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

Adjacent sequences:  A125654 A125655 A125656 * A125658 A125659 A125660

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Nov 30 2006

STATUS

approved

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Last modified June 23 05:11 EDT 2021. Contains 345395 sequences. (Running on oeis4.)