39881

Appears in sequences

• Numbers that are the sum of 6 positive 9th powers.at n=14A003395
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 1), (0, 1, 0), (1, 0, 1), (1, 1, -1)}.at n=8A150298
• a(n) = A120963(n)/2.at n=22A341710
• a(n) = A120963(2*n+1)/2.at n=11A341711
• a(n) is the number of distinct values of the determinant of an n X n symmetric Toeplitz matrix having 0 on the main diagonal and all the integers 1, 2, ..., n-1 off-diagonal.at n=9A374618