5404363domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of ways to place 3 points on an n X n X n triangular grid so that no pair of them has distance sqrt(3).at n=23A244501Number of ways to tile a 4 X n strip with squares and L-shaped heptominoes with legs of equal length.at n=26A352795Prime numbersat n=374634