84175

Appears in sequences

• Binomial (Binomial (n,2), 3) - Binomial (Binomial (n,3), 2).at n=13A093567
• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 110-111-101 pattern in any orientation.at n=14A146262
• Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A336957.at n=31A337644