6906257domain: NPropertiesPrimalityPrimeyesAppears in sequencesTotal number of occurrences of 7 in the (signed) displacement sets of all permutations of [n+7] divided by 7!.at n=7A324357Total number of occurrences of n in the (signed) displacement sets of all permutations of [2n] divided by n!.at n=7A324361Prime numbersat n=470678