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 A132626 Column 0 of triangle A132625. 2
 1, 1, 2, 14, 336, 25836, 6251504, 4838830976, 12344615283200, 106978340796778976, 3229124399759665954432, 346176173916459184212747520, 133788163509847808639178273046528 (list; graph; refs; listen; history; text; internal format)
 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. LINKS 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 Cf. A132625, A132627. Sequence in context: A165696 A180605 A094155 * A101524 A346210 A255493 Adjacent sequences: A132623 A132624 A132625 * A132627 A132628 A132629 KEYWORD nonn AUTHOR Paul D. Hanna, Aug 25 2007 STATUS approved

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Last modified February 3 23:01 EST 2023. Contains 360045 sequences. (Running on oeis4.)