373827domain: NAppears in sequencesIntegers n such that core(n), core(n+1), core(n+2) are smaller than n^(1/2) where core(n) is A007913(n), the squarefree part of n.at n=8A260212Starts of runs of 3 consecutive numbers whose powerful part is larger than their powerfree part (A328014).at n=11A348120