# A133433 (b-file synthesized from sequence entry) 1 3 2 7 3 23 4 41 5 71 6 313 7 643 8 4111 9 53173 10 107227 11 533821 12 1373989 13 2494381 14 95525767 15 823766851 16 4348468741 17 226547941621 18 596653488817 19 5260410488191