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A107588
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G.f. satisfies: A(x) = 1 + ( x/A(x) )/A( x/A(x) ).
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0
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1, 1, -2, 8, -42, 258, -1764, 13070, -103262, 860812, -7516306, 68380986, -645635800, 6307334042, -63602862362, 660771763808, -7061440267362, 77524521343282, -873398761544252, 10087973928531918, -119358929179189278, 1445596845096459108, -17909930113246116338
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OFFSET
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0,3
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LINKS
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FORMULA
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G.f.: A(x) = 1/G088714(-x), where G088714(x) is the g.f. of A088714.
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PROG
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(PARI) {a(n)=local(A=1+x+x*O(x^n)); for(k=1, n, A=1+subst(x/A, x, x/A)); polcoeff(A, n)}
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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