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 A118443 Row sums of triangle A118441, which is the matrix log of triangle A118435. 3
 1, -2, 3, -36, -155, 474, 1127, -1992, -1719, -4810, -31669, 109332, 286637, -596974, -904785, 449136, -3218287, 16156782, 50232979, -121747380, -233735691, 309853258, 15768823, 1624290984, 6853579225, -19712646746, -44873974053, 79998871428, 90434035261 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS FORMULA G.f.: (1+x)*(1-3*x+18*x^2-78*x^3+45*x^4-175*x^5)/(1+6*x^2+25*x^4)^2. PROG (PARI) {a(n)=polcoeff((1+x)*(1-3*x+18*x^2-78*x^3+45*x^4-175*x^5)/(1+6*x^2+25*x^4 +x*O(x^n))^2, n)} CROSSREFS Cf. A118441 (triangle), A118442 (column 0), A118444 (a(n)/(n+1)); A118435. Sequence in context: A084191 A080357 A064032 * A216145 A109748 A062459 Adjacent sequences:  A118440 A118441 A118442 * A118444 A118445 A118446 KEYWORD sign AUTHOR Paul D. Hanna, Apr 28 2006 STATUS approved

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