# A048505 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 7 4 5 5 1 6 25 7 18 8 10 9 1 10 81 11 56 12 35 13 17 14 1 15 241 16 160 17 101 18 58 19 26 20 1 21 673 22 432 23 269 24 160 25 87 26 37 27 1 28 1793 29 1120 30 685 31 408 32 233 33 122 34 50 35 1 36 4609 37 2816 38 1693 39 1000 40 577 41 320 42 163 43 65 44 1 45 11521 46 6912 47 4093 48 2392 49 1377 50 776 51 421