199106domain: NAppears in sequencesNumbers that are the sum of six fourth powers in ten or more ways.at n=8A345567Numbers that are the sum of six fourth powers in exactly ten ways.at n=7A345822a(n) = 2 + 4^(n - 1) - (2 - sqrt(2))^(n - 1) - (2 + sqrt(2))^(n - 1).at n=9A377501