587149domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber T(n,k) of ways k L-tiles can be placed on an n X n square; triangle T(n,k), n>=0, 0<=k<=A229093(n), read by rows.at n=47A243608Number of ways five L-tiles can be placed on an n X n square.at n=8A243648Prime numbersat n=48139