# A309520 (b-file synthesized from sequence entry) 1 3 2 5 3 7 4 11 5 23 6 73 7 89 8 179 9 233 10 761 11 1451 12 2741 13 4391 14 5231 15 42611 16 198221 17 305741 18 6766811 19 1326662801 20 1979990861 21 4735703723 22 9697282541 23 35285447111 24 45169368641 25 169684421321 26 187946428721