702802domain: NAppears in sequencesGenerating function satisfies A(x) = exp(2*A(x)*x + 2*A(x^3)*x^3/3 + 2*A(x^5)*x^5/5 + 2*A(x^7)*x^7/7 +...).at n=10A073075Number of partitions of {1,...,n} into block sizes a power of 2.at n=12A115625Number of set partitions of [n] such that eight is a multiple of each block size.at n=12A275426