38300domain: NAppears in sequencesRiordan array (1/(1-10*x-10*x^2), x/(1-10*x-10*x^2)).at n=16A206819Numbers k such that Bernoulli number B_{k} has denominator 33330.at n=12A295589a(n) = n*(n + 1)*(16*n - 1)/6.at n=24A304659