2803256domain: NAppears in sequences8th binomial transform of (1,0,1,0,1,.....), A059841.at n=7A081190a(n) = ((n+1)^(n-1) + (n-1)^(n-1))/2 for n>=1.at n=7A195136Numbers z such that x^2 + y^7 = z^2 (with positive integers x and y) and gcd(x, y, z) = 1.at n=25A293693