283680

Appears in sequences

• Expansion of e.g.f. (x + 1 - sqrt(1-6*x+x^2))/2.at n=6A052716
• Number of length 1+4 0..n arrays with no disjoint pairs in any consecutive five terms having the same sum.at n=12A247405
• Expansion of Product_{k>=0} (1 + x^(4^k))^(4^(k+1)).at n=30A321355