1091232

Appears in sequences

• arcsin(arcsin(x)*arcsin(x))=2/2!*x^2+8/4!*x^4+248/6!*x^6+11328/8!*x^8...at n=5A012341
• Coefficients in q-expansion of E_2^2, where E_2 is the Eisenstein series shown in A006352.at n=17A281374