263843domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = Sum_{k=1..n} C(n,k)^4 where C(n,k) is binomial(n,k).at n=5A096192Skipping from prime to prime by least powers of 2 using 127 as the seed.at n=7A102636Prime numbersat n=23135