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A301410
G.f. A(x) satisfies: A(x) = 1/(1 + x*A(x) + x^2*A(x)/(1 + x^3*A(x) + x^4*A(x)/(1 + x^5*A(x) + x^6*A(x)/(1 + ...)))), a continued fraction.
1
1, -1, 1, -1, 1, 0, -3, 10, -26, 60, -127, 250, -458, 766, -1107, 1146, 188, -5782, 22658, -66620, 170841, -400001, 869124, -1755912, 3263352, -5403598, 7264938, -4950248, -13623003, 80819359, -275474805, 775529946, -1954651995, 4537336510, -9788453019, 19563409996
OFFSET
0,7
EXAMPLE
G.f. A(x) = 1 - x + x^2 - x^3 + x^4 - 3*x^6 + 10*x^7 - 26*x^8 + 60*x^9 - 127*x^10 + ...
CROSSREFS
Sequence in context: A335970 A212967 A355902 * A333897 A316937 A269965
KEYWORD
sign
AUTHOR
Ilya Gutkovskiy, Mar 20 2018
STATUS
approved