# A268064 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 6 5 10 6 15 7 30 8 34 9 35 10 46 11 55 12 62 13 83 14 230 15 1675 16 2551 17 3934 18 25101 19 28703 20 46295 21 54363 22 72846