2685501

Appears in sequences

• Wieferich numbers (1): n > 1 such that 2^A000010(n) == 1 (mod n^2).at n=26A077816
• Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial Product_{i=1..n} (x + q^i) in row n and q = 3.at n=33A173007