41881

Appears in sequences

• E.g.f.: exp(tan(arcsinh(x))).at n=10A012159
• cosh(tan(arcsinh(x)))=1+1/2!*x^2+5/4!*x^4+61/6!*x^6+937/8!*x^8...at n=5A012167
• McKay-Thompson series of class 21D for Monster.at n=28A058566
• Special values of generalized Laguerre polynomials L_n^(alpha)(x): a(n) = 4^n *n! *L_n^(-1/4)(-1).at n=4A089915
• Number of strings of numbers x(i=1..6) in 0..n with sum i*x(i)^2 equal to n*36.at n=20A184445
• Coefficient array of the second column of the inverse of the Riordan array ((1+(r+1)x)/(1+(r+2)x+rx^2), x/(1+(r+2)x+rx^2)).at n=50A188463
• McKay-Thompson series of class 21D for the Monster group with a(0) = 2.at n=28A226015