118400

Appears in sequences

• arctanh(arctan(arctan(x)))=x-2/3!*x^3+32/5!*x^5-1392/7!*x^7+118400/9!*x^9...at n=4A012209
• Number of strings of numbers x(i=1..6) in 0..n with sum i*x(i) equal to n*6.at n=17A184706
• Number of -3..3 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having four distinct values for every i,j,k<=n.at n=15A211720
• Numbers m such that the smallest digit in the decimal expansion of 1/m is 4, ignoring leading and trailing 0's.at n=26A352158
• Numbers k that divide the k-th Franel number.at n=41A372940