-2148

Appears in sequences

• Expansion of quotient of a Ramanujan false theta series by the theta series of triangular numbers in powers of x.at n=41A143065
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = sqrt(3).at n=26A279588
• Signed recurrence over binary strict trees: a(n) = 1 - Sum_{x + y = n, 0 < x < y < n} a(x) * a(y).at n=39A300866
• Truncate Stirling's asymptotic series for 4! after n terms and round to the nearest integer.at n=76A362116