1001964domain: NAppears in sequencesa(n+1) is the smallest number > a(n) such that the digits of a(n)^2 are all (with multiplicity) properly contained in the digits of a(n+1)^2, with a(0)=1.at n=12A065297Summed lengths of all nonintersecting rook paths on a 3 x n board.at n=9A181394