136906

Appears in sequences

• Sums of 4 distinct powers of 7.at n=33A038483
• Number of inequivalent colorings of the Fano plane with n colors.at n=10A241929
• Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=9A252633