132697domain: NPropertiesPrimalityPrimeyesAppears in sequencesTriangle read by rows: T(n,k) is the number of stacks of n pancakes requiring k = 0, ..., A058986(n) flips to sort.at n=53A092113Numerators of the partial sums of the reciprocals of Pillai's arithmetical function (A018804).at n=12A379363Prime numbersat n=12387