# A134397 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 4 4 4 5 1 6 8 7 12 8 6 9 1 10 15 11 30 12 23 13 8 14 1 15 26 16 65 17 68 18 37 19 10 20 1 21 42 22 126 23 168 24 126 25 54 26 12 27 1 28 64 29 224 30 364 31 350 32 208 33 74 34 14 35 1 36 93 37 372 38 714 39 840 40 642 41 318 42 97 43 16 44 1 45 130 46 585 47 1296 48 1806 49 1692 50 1080 51 460 52 123 53 18 54 1