263172

Appears in sequences

• Numbers that are the sum of 7 positive 9th powers.at n=38A003396
• Expansion of 1/((1-4*x)*(1-x^4)).at n=9A083589
• Number of (w,x,y,z) with all terms in {1,...,n} and w*x < 2*y*z.at n=25A211795
• a(n) = n! * [x^n] exp(2*n*x)*(BesselI(0,2*x) - BesselI(1,2*x))^n.at n=6A294511
• Positive integers m with 2*m^2 - 2^4 = x^4 + y^4 for some nonnegative integers x and y with |x-y| > 2.at n=18A343917
• a(n) = n*sigma_8(n).at n=4A386751