# A098471 (b-file synthesized from sequence entry) 1 1 2 2 3 8 4 2 5 12 6 864 7 4 8 10 9 8 10 72 11 18 12 38 13 2144 14 178 15 472 16 974 17 2200 18 8128 19 4580 20 822 21 3600 22 4100