484224

Appears in sequences

• Expansion of e.g.f.: exp(tan(x)-arctan(x))=1+4/3!*x^3-8/5!*x^5+160/6!*x^6+992/7!*x^7...at n=10A013440
• cosh(tan(x)-arctan(x))=1+160/6!*x^6-1792/8!*x^8+484224/10!*x^10...at n=5A013446
• sec(tan(x)-arctan(x))=1+160/6!*x^6-1792/8!*x^8+484224/10!*x^10...at n=5A013447
• Expansion of e.g.f.: exp(tanh(x)-arctanh(x))=1-4/3!*x^3-8/5!*x^5+160/6!*x^6-992/7!*x^7...at n=10A013496
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 1, -1), (0, 1, 0), (1, 0, 1)}.at n=11A149968
• Expansion of Product_{k>=1} 1 / (1 - 3*2^k*x^k).at n=7A300582