# A117823 (b-file synthesized from sequence entry) 0 0 1 1 2 3 3 7 4 6 5 8 6 20 7 21 8 33 9 45 10 68 11 102 12 158 13 247 14 391 15 623 16 998 17 1604 18 2584 19 4169 20 6733 21 10881 22 17592 23 28450 24 46018 25 74443 26 120435 27 194851 28 315258 29 510080 30 825308 31 1335357 32 2160633 33 3495957 34 5656556 35 9152478 36 14808998 37 23961439 38 38770399