424537domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of arrangements of n+2 numbers in 0..6 with each number being the sum mod 7 of two others.at n=4A183881T(n,k)=Number of arrangements of n+2 numbers in 0..k with each number being the sum mod (k+1) of two others.at n=49A183884Prime numbersat n=35741