163680

Appears in sequences

• a(n) = n*(n+1)*(n+2)*(n+3)/6.at n=30A033488
• Lower triangular array called S1hat(4) related to partition number array A144885.at n=48A144886
• Number of 3-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.at n=27A187851
• Numbers with prime factorization pqrst^5.at n=25A190383
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2 + (x + 31^2)^2 = y^2.at n=16A331265
• Orders of the finite groups PGammaL_2(K) when K is a finite field with q = A246655(n) elements.at n=17A352807