# A121428 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 2 5 5 6 1 7 3 8 11 9 45 10 1 11 4 12 18 13 101 14 581 15 1 16 5 17 26 18 169 19 1305 20 9730 21 1 22 6 23 35 24 250 25 2190 26 21745 27 199692 28 1 29 7 30 45 31 345 32 3255 33 36360 34 443329 35 4843125 36 1 37 8 38 56 39 455 40 4520 41 53916 42 737051 43 10679494 44 135345925 45 1 46 9 47 68 48 581 49 6006 50 74781 51 1087583 52 17645187