# A337631 (b-file synthesized from sequence entry) 1 0 2 1 3 10 4 55 5 228 6 801 7 2526 8 7387 9 20440 10 54229 11 139218 12 348111 13 851916 14 2047945 15 4849606 16 11337667 17 26214336 18 60030909 19 136314810 20 307232695 21 687865780 22 1530920881 23 3388997550 24 7465861035 25 16374562728 26 35769024421 27 77846282146 28 168845901727