86137domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = Sum_{k=1..n} floor(k^4/n).at n=24A014819Prime numbers containing the digit string 137.at n=38A190307Number of tilings of a 5 X n rectangle using n pentominoes of shapes T, W, I, X.at n=29A372221Prime numbersat n=8374