57661

Appears in sequences

• 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, 0), (1, -1, 1), (1, 0, -1), (1, 1, 0)}.at n=9A149301
• a(n) = 60*n^2 + 1.at n=31A158673
• a(n) = 109*n^2.at n=23A174339
• a(n) = Sum_{k=0..n} (-1)^(n - k) * A357340(n, k).at n=6A357341