75904domain: NAppears in sequencesIndex values for new maxima in A065925.at n=26A065926Number of set partitions C_t(n) of {1,2,...,t} into at most n parts, with an even number of elements in each part distinguished by marks; triangle C_t(n), t>=0, 0<=n<=t, read by rows.at n=43A261275a(n) = Sum_{d|n} d * (d!)^(n/d-1).at n=14A356541