# A303170 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 5 5 21 6 61 7 141 8 309 9 757 10 2111 11 6051 12 16721 13 44617 14 118301 15 318501 16 871781 17 2400741 18 6596953 19 18067329 20 49460555 21 135697395 22 373271515 23 1028451579 24 2835353337 25 7819016521 26 21572619771 27 59562583471 28 164586609409 29 455114644297 30 1259191262441 31 3485551053561