-3064

Appears in sequences

• arctan(cos(x)*arcsin(x))=x-4/3!*x^3+68/5!*x^5-3064/7!*x^7+265936/9!*x^9...at n=3A012484
• Coordination sequence for octagonal tiling is a(n) + A103908(n)*sqrt(2).at n=16A103909
• Expansion of Product_{k>=0} (1 - x^(2^k))^(2^k).at n=43A321327