OFFSET
0,4
FORMULA
a(n) = [x^n] (1 - x/(1 - x^2/(1 - x^3/(1 - x^4/(1 - x^5/(1 - ...))))))^n, a continued fraction.
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Aug 30 2017
STATUS
approved