k prime 1 GFN 2 1 3 1 4 2 5 6 6 1 7 1 8 14 9 1 10 2 11 1 12 3 13 1 14 14 15 2 16 4 17 1 18 1 19 6 20 1 21 2 22 6 23 2 24 1 25 1 26 1