# A323446 (b-file synthesized from sequence entry) 1 2 2 2 3 4 4 6 5 8 6 12 7 16 8 26 9 36 10 70 11 104 12 220 13 372 14 758 15 1408 16 2874 17 5472 18 11056 19 21696 20 43546 21 86060 22 172514 23 343068 24 686888 25 1369484 26 2740080 27 5471464 28 10945900 29 21872228 30 43749868 31 87460604 32 174931610 33 349777232 34 699576604 35 1398973652 36 2797992934 37 5595603056 38 11191292048 39 22381785572 40 44763754898