OFFSET
0,3
FORMULA
G.f.: A(x) where (4*x^6+12*x^5-20*x^3+27*x^2+12*x-4)*A(x)^3-(3*x^2+3*x-3)*A(x)+1 = 0. - Mark van Hoeij, Apr 17 2013
MAPLE
P := (4*x^6+12*x^5-20*x^3+27*x^2+12*x-4)*A^3-(3*x^2+3*x-3)*A+1;
Q := eval(P, A=A+1):
series(RootOf(Q, A)+1, x=0, 30); # Mark van Hoeij, Apr 17 2013
PROG
(PARI) /* same as in A092566 but use */
steps=[[1, 0], [1, 1], [0, 2], [2, 2]];
/* Joerg Arndt, Jun 30 2011 */
CROSSREFS
KEYWORD
nonn
AUTHOR
Joerg Arndt, Jun 30 2011
STATUS
approved