128766domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(37).at n=4A041060a(n) = 12*a(n-1) + a(n-2), a(0)=1, a(1)=6.at n=5A089926Even pseudoprimes to base 31.at n=10A130440Numbers n such that n^2 + 1 has two distinct prime divisors less than n.at n=41A263876