126121

Appears in sequences

• Numerator of coefficient in the interpolation polynomial for initial values of the factorial, read by rows.at n=32A103361
• Number of -4..4 arrays x(0..n-1) of n elements with zero sum and no element more than one greater than the previous.at n=9A199843
• a(n) = 2*(a(n-1)+a(n-2)+a(n-3))-a(n-4) for n >= 4, with initial terms 0, 1, 1, 0.at n=14A317975
• a(n) = coefficient of x^(2*n-1)/(2*n-1)! in the expansion of the odd function S(x) defined by: S(x) = Integral Product_{n>=1} C(n,x)^(2*n-1) dx, where C(n,x) = (1 + S(x)^(2*n))^(1/(2*n)) for n >= 1.at n=4A357230