50000050

Appears in sequences

• a(n) = A069537(n)/2.at n=30A088404
• Numbers k such that k and k^2 use only the digits 0, 2 and 5.at n=29A136910
• Numbers k such that k and k^2 use only the digits 0, 2, 5 and 7.at n=43A136915
• a(n) = n^2*(n^6+1)/2.at n=10A168124