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 A125655 Column 2 of triangle A125653; also equals the eigensequence of the matrix square of A125653. 6
 1, 1, 3, 8, 24, 84, 335, 1495, 7381, 39912, 234360, 1483864, 10070570, 72885794, 560059512, 4551397316, 38984638708, 350888140187, 3309798388178, 32639617094998, 335781293403494, 3596524434640951, 40035909421823293 (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 FORMULA a(n) = A125653(n+2,2) = Sum_{k=0..n-1} [A125653^2](n-1,k)*a(k) for n>0 with a(0)=1. CROSSREFS Cf. A125653 (triangle); rows: A125654, A125656, A125657; A125658 (row sums); A125659 (central terms). Sequence in context: A088966 A242985 A148787 * A134165 A071016 A174662 Adjacent sequences:  A125652 A125653 A125654 * A125656 A125657 A125658 KEYWORD nonn AUTHOR Paul D. Hanna, Nov 30 2006 STATUS approved

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Last modified June 14 18:06 EDT 2021. Contains 345037 sequences. (Running on oeis4.)