851831domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 10n^3-9.at n=11A201039Number of Dyck paths of semilength n having exactly 8 (possibly overlapping) occurrences of the consecutive steps UDUUDU (with U=(1,1), D=(1,-1)).at n=6A243420Prime numbersat n=67755