# A173513 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 2 4 3 5 3 6 4 7 5 8 7 9 9 10 11 11 14 12 18 13 23 14 30 15 38 16 49 17 63 18 80 19 103 20 132 21 169 22 216 23 277 24 355 25 454 26 582 27 745 28 954 29 1222 30 1565