34618domain: NAppears in sequencesa(n) = floor(C(2n,n)/2^n).at n=18A024502Numbers k such that 97*2^k+1 is prime.at n=16A032398Number of partitions of n for which (number of occurrences of the least part) > (number of occurrences of greatest part).at n=40A236544The growth series for the affine Weyl group F_4.at n=41A266784