39573

Appears in sequences

• Expansion of (1-x)^(-1)/(1 - 2*x - 2*x^3).at n=12A077851
• Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1100-1111-1000 pattern in any orientation.at n=11A146717
• 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, 0, 1), (0, -1, 1), (0, 0, 1), (1, 1, -1)}.at n=10A148417