50198

Appears in sequences

• [ (4th elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 1 mod 4}.at n=5A024387
• EULER transform of A064831 (with its initial 1 omitted).at n=8A072336
• Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 64.at n=5A156520
• a(n) = total number of binary sequences S of length n and curling number k (so S = XY^k) in which Y can be taken to have length 1.at n=15A217932
• A217932/2.at n=16A217933
• Numbers n such that n^2048 + (n+1)^2048 is prime.at n=35A274235