# A122745 (b-file synthesized from sequence entry) 3 1 4 1 5 2 6 5 7 12 8 29 9 72 10 170 11 404 12 944 13 2184 14 5000 15 11368 16 25616 17 57376 18 127696 19 282688 20 622656 21 1365472 22 2982016 23 6488320 24 14068672 25 30409216 26 65536512 27 140859776 28 301990912 29 645924864 30 1378530048