29293domain: NAppears in sequencesNumbers n such that 141*2^n-1 is prime.at n=24A050596a(1)=1, a(n) = a(n-1) + n^3 if n odd, a(n) = a(n-1) + n^1 if n is even.at n=21A140153Number of positive solutions to x^2+y^2+z^2 <= n^2.at n=39A253663