163904

Appears in sequences

• Number of length n+3 0..2 arrays with no disjoint pairs in any consecutive four terms having the same sum.at n=12A247720
• Expansion of [ Sum_{n>=0} (-4)^n * (2*4^n + 1)/3 * x^(n*(n+1)/2) ]^(-1/3).at n=6A370044