376847domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = floor(1/sin(x(n))) where x(n) is Pi truncated at the n-th decimal digit.at n=5A074783Minimum k such that all partial sums of the Leibniz series 4/1 - 4/3 + 4/5 - ... with k or more terms give a value of Pi correct to n decimal digits.at n=5A342584Prime numbersat n=32058