3942400

Appears in sequences

• Denominators of coefficients in asymptotic expansion of (2/Pi)*Integral_{0..oo} (sin x / x)^n dx.at n=4A002305
• E.g.f.: exp(tan(x)-tanh(x))=1+4/3!*x^3+160/6!*x^6+544/7!*x^7+17920/9!*x^9...at n=12A013451
• cos(tan(x)-tanh(x))=1-160/6!*x^6-261120/10!*x^10+3942400/12!*x^12...at n=6A013454
• Expansion of e.g.f.: exp(arctan(x)-arctanh(x))=1-4/3!*x^3+160/6!*x^6-1440/7!*x^7...at n=12A013462
• cos(arctan(x)-arctanh(x))=1-160/6!*x^6-691200/10!*x^10+3942400/12!*x^12...at n=6A013465
• Denominators of hypergeometric Cauchy numbers c_(3,n).at n=9A224086
• E.g.f. A(x) satisfies: (A(x)^3 - 6*x)^2 = (2 - A(x)^2)^3.at n=9A249785
• T(n, k) = (3^(-k)*n!*2^(n - 3*k))/(k!*(n - 3*k)!), for n >= 0 and 0 <= k <= floor(n/3). Triangle read by rows.at n=33A344915