233663domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of n-step three-sided prudent self-avoiding walks ending at the southwest corner of their box.at n=15A191827Primes having only {2, 3, 6} as digits.at n=37A260126Number of skew shapes in a 3 X n rectangle with no empty rows or columns.at n=38A362153Prime numbersat n=20722