77093domain: NPropertiesPrimalityPrimeyesAppears in sequencesSeventh column of triangle A055252.at n=8A055583Triangle read by rows: T(n,k) is the number of nondecreasing Dyck paths of semilength n, having k distinct valley levels (n>=1, k>=0).at n=58A121463Number of 4-divided binary words of length n.at n=16A210321Prime numbersat n=7576