297562domain: NAppears in sequencesNumber of binary rooted trees with n nodes and height exactly 10.at n=21A036599Expansion of Product_{1 <= i_1 <= i_2 <= i_3 <= i_4} 1/(1 - x^(i_1*i_2*i_3*i_4)).at n=40A321566The number of even prime gaps g satisfying g == 2 (mod 6) out of the first 2^n even prime gaps.at n=20A341531