# A131450 (b-file synthesized from sequence entry) 1 0 2 1 3 0 4 1 5 1 6 1 7 1 8 1 9 2 10 4 11 6 12 6 13 7 14 8 15 11 16 18 17 23 18 29 19 39 20 52 21 71 22 99 23 124 24 160 25 220 26 302 27 403 28 532 29 707 30 936 31 1249 32 1668 33 2220 34 2976 35 3966 36 5278 37 7028 38 9386 39 12531 40 16696 41 22246 42 29622 43 39540 44 52768 45 70395 46 93795 47 124977 48 166619 49 222222 50 296358 51 395213