-7600

Appears in sequences

• arcsinh(sin(tan(x)))=x-4/5!*x^5-192/7!*x^7-7600/9!*x^9-507136/11!*x^11...at n=4A012015
• Matrix inverse of A008459 (squares of entries of Pascal's triangle).at n=24A055133
• Numerator of Hermite(n, 4/13).at n=3A159496