120872

Appears in sequences

• sech(tan(x)+arcsin(x))=1-4/2!*x^2+56/4!*x^4-1894/6!*x^6+120872/8!*x^8...at n=4A012959
• Number of subsets A of {0,...,n-1} such that A contains 0 and n-1, and |A+A| > |A-A|.at n=29A224893
• Expansion of (H(-x) / chi(-x))^2 in powers of x where chi() is a Ramanujan theta function and G() is a Rogers-Ramanujan function.at n=34A261526