1128001

Appears in sequences

• a(n) = 1250*n^2 + 100*n + 1.at n=29A154375
• a(n) = 5000*n^2 + 200*n + 1.at n=14A157511
• a(n) = 80000*n^2 - 39200*n + 4801.at n=3A157653