16764334957domain: NAppears in sequencesFloor[X/Y] where X = concatenation of first n odd numbers in increasing order (A019519) and Y = their sum (A000290 = n^2).at n=8A067122Integers which are exactly the concatenation of the first m odd numbers (A019519) divided by their sum (A000290 = m^2).at n=2A072723