142500

Appears in sequences

• T(n,5), array T as in A050186; a count of aperiodic binary words.at n=25A050190
• Sum of three solutions of the Diophantine equation x^2 - y^2 = z^3.at n=25A085409
• a(n) = binomial(n+2,3)*5^3.at n=17A141480
• a(n) = (n+6)*(n+1)*(n^2 + 7*n + 16)/4.at n=25A168538
• Number of pairs (x, y) with 0 <= x, y <= n such that the distance between two points is a positive integer.at n=43A228108
• a(n) = Sum_{i=1..floor((n-1)/2)} i * (n-i)^2.at n=39A308038