94464

Appears in sequences

• Triangular matrix, read by rows, that satisfies: T(n,k) = [T^4](n-1,k) when n>k>=0, with T(n,n) = (n+1).at n=18A102101
• a(n) = A341886(n)/2; numbers k such that A307437(k) is even.at n=18A341887