45530

Appears in sequences

• Triangle T(n,m) of the coefficients JacobiDC(x,y) = Sum_{n>=0} Sum_{m=0..n} (-1)^m* T(n,m) *x^(2*n) *y^(2*m)/(2*n)!.at n=18A181612
• Number of length n+3 0..2 arrays with no pair in any consecutive four terms totalling exactly 2.at n=26A246473