# A307208 (b-file synthesized from sequence entry) 1 2 2 10 3 52 4 158 5 466 6 1192 7 2914 8 6722 9 14972 10 32286 11 67914 12 139824 13 282754 14 562970 15 1105892 16 2146846 17 4124258 18 7849496 19 14815202 20 27752338 21 51632620 22 95465502 23 175508250 24 320981472 25 584214530 26 1058602666 27 1910305300 28 3434059166 29 6151218034 30 10981579528