95947domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers n such that n, 10*n+1, 10*n+3, 10*n+7 and 10*n+9 are all primes.at n=24A067267Number of n X n binary arrays with all ones connected only in a 1001-1111-0110 pattern in any orientation.at n=8A147413Prime numbersat n=9247