40573domain: NAppears in sequencesNumbers k such that 3^k mod k = 3^k mod k^2.at n=27A125774E.g.f. satisfies: A(x) = exp(x*A(x)/A(-x)).at n=6A143600Partial sums of A002893.at n=6A174123Number of partitions of n containing at least one part m-8 if m is the largest part.at n=39A212548