94748domain: NAppears in sequencesNumbers n such that N(n+1) - N(n) sets a new record, where N(n) = A005349.at n=18A082517a(n) is the least k such that f(a(n-1)+1) + ... + f(k) > f(a(n-2)+1) + ... + f(a(n-1)) for n > 1, where f(n) = 1/(n+5) and a(1) = 1.at n=9A225920