54698domain: NAppears in sequencesNumbers n with following property: suppose n^6 = d1 d2 d3 ...dk in decimal; then d1! + d2! + ... + dk! is a square.at n=22A130688The point at which the powers of n merge on an 8-digit calculator.at n=5A216069a(n) = prime(n)^3 - prime(n^3).at n=13A262199