798097domain: NPropertiesPrimalityPrimeyesAppears in sequencesExpansion of Molien series for 16-dimensional real Clifford group C_4 of genus 4 and order 178362777600.at n=38A110160Numbers k such that the decimal representation of k is contained as substring in that of the k-th triangular number.at n=26A119238Prime numbersat n=63817