# A121531 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 1 5 7 6 6 7 12 8 20 9 2 10 20 11 51 12 18 13 33 14 115 15 80 16 5 17 54 18 240 19 262 20 54 21 88 22 477 23 725 24 294 25 13 26 143 27 916 28 1803 29 1158 30 161 31 232 32 1716 33 4170 34 3768 35 1026 36 34 37 376 38 3155 39 9152 40 10815 41 4684 42 475 43 609 44 5717 45 19311 46 28418 47 17432 48 3449 49 89 50 986 51 10240 52 39520