# A187500 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 1 4 0 5 1 6 2 7 1 8 2 9 4 10 3 11 5 12 9 13 9 14 12 15 21 16 24 17 30 18 51 19 63 20 75 21 126 22 162 23 189 24 315 25 414 26 477 27 792 28 1053 29 1206 30 1998 31 2673 32 3051 33 5049 34 6777 35 7722 36 12771 37 17172 38 19548 39 32319 40 43497 41 49491 42 81810 43 110160 44 125307 45 207117 46 278964