# A019179 (b-file synthesized from sequence entry) 3 0 4 0 5 5 6 4 7 3 8 24 9 46 10 86 11 253 12 576 13 1397 14 3592 15 8596 16 21725 17 55668 18 139137 19 356719 20 921053 21 2368628 22 6165627 23 16099130 24 42045592 25 110522792 26 291264353 27 768592256 28 2036215796 29 5408656458 30 14392052859 31 38395090089