237630

Appears in sequences

• Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=20A192976
• Triangle read by rows: T(n, k) = [x^k] Sum_{j=0..n} FallingFactorial(n, j)*RisingFactorial(x, j).at n=23A391008