68772

Appears in sequences

• Coordination sequence for A_11 lattice.at n=3A035837
• Number of nonempty subsets of {1,2,...,n} in which exactly 2/5 of the elements are <= (n-1)/2.at n=19A047177
• Number of nonempty subsets of {1,2,...,n} in which exactly 2/5 of the elements are <= (n-2)/2.at n=19A047188
• Number of integer sequences of length n+1 with sum zero and sum of absolute values 6.at n=10A157052
• Number of (n+2)X(2+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=7A252315
• a(n) = 4*(n - 1)*(16*n - 23) for n >= 1.at n=33A304378
• Numbers that are the sum of seven fourth powers in exactly ten ways.at n=33A345832