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A107588 G.f. satisfies: A(x) = 1 + ( x/A(x) )/A( x/A(x) ). 0
1, 1, -2, 8, -42, 258, -1764, 13070, -103262, 860812, -7516306, 68380986, -645635800, 6307334042, -63602862362, 660771763808, -7061440267362, 77524521343282, -873398761544252, 10087973928531918, -119358929179189278, 1445596845096459108, -17909930113246116338 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
G.f.: A(x) = 1/G088714(-x), where G088714(x) is the g.f. of A088714.
PROG
(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)}
CROSSREFS
Cf. A088714.
Sequence in context: A235350 A100327 A018934 * A013999 A130649 A054993
KEYWORD
sign
AUTHOR
Paul D. Hanna, May 17 2005
STATUS
approved

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)