136767domain: NAppears in sequencesNumbers n such that 235*2^n-1 is prime.at n=16A050869Total capacity of unrestricted compositions of n.at n=15A350413a(1) = a(2) = 1; a(n) = gcd(a(n-1), a(n-2)) + (a(n-1) + a(n-2))/gcd(a(n-1), a(n-2)).at n=36A355898