74420domain: NAppears in sequencesIccanobirt numbers (2 of 15): a(n) = a(n-1) + R(a(n-2)) + a(n-3), where R is the digit reversal function A004086.at n=17A102112Numbers that are the sum of six fourth powers in seven or more ways.at n=18A345564Numbers that are the sum of six fourth powers in exactly seven ways.at n=16A345819