198801

Appears in sequences

• a(n) = n*(n + 1)*(n^2 - 3*n + 6)/8.at n=35A004255
• arctan(arctan(arcsin(x)))=x-3/3!*x^3+57/5!*x^5-2419/7!*x^7+198801/9!*x^9...at n=4A012196
• Duplicate of A004255.at n=36A101357