163729domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest m such that the period of the continued fraction of sqrt(m) is A215485(n); records of A013646.at n=39A215508Compressed discriminator of the factorial numbers.at n=45A272649a(n) = 4^n - 3^n - binomial(n,2)*3^(n-2).at n=9A380024Prime numbersat n=14991