50431303domain: NAppears in sequencesNumbers that are the sum of 2 positive 9th powers.at n=26A003391Centered cube numbers: a(n) = (n+1)^9 + n^9.at n=6A036087a(n) = 6^n + 7^n.at n=9A074619Numbers which are the sums of consecutive ninth powers.at n=23A217849