101265domain: NAppears in sequencesa(1)=1, a(n) = a(n-1) + n^3 if n odd, a(n) = a(n-1) + n^1 if n is even.at n=29A140153Monotonic ordering of nonnegative differences 7^i-4^j, for 40>=i>=0, j>=0.at n=26A192166