# A173588 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 3 4 5 5 1 6 4 7 21 8 10 9 1 10 5 11 85 12 91 13 17 14 1 15 6 16 341 17 820 18 273 19 26 20 1 21 7 22 1365 23 7381 24 4369 25 651 26 37 27 1 28 8 29 5461 30 66430 31 69905 32 16276 33 1333 34 50 35 1 36 9 37 21845 38 597871 39 1118481 40 406901 41 47989 42 2451 43 65 44 1 45 10 46 87381 47 5380840 48 17895697 49 10172526 50 1727605 51 120100 52 4161 53 82 54 1