63376

Appears in sequences

• -arctanh(log(cos(x))) = 1/2!*x^2+2/4!*x^4+46/6!*x^6+1112/8!*x^8...at n=4A012006
• Number of length-n binary words avoiding (5+sqrt(5))/2-powers.at n=18A308148
• Expansion of Product_{k>=1} 1/(1 - x^k/(1 - x^(2*k))).at n=22A309733
• Number of unlabeled multigraphs with loops allowed and n edges covering three vertices.at n=30A327728