# A277631 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 2 4 3 5 6 6 9 7 18 8 29 9 51 10 82 11 135 12 205 13 315 14 458 15 662 16 925 17 1281 18 1724 19 2305 20 3014 21 3911 22 4992 23 6326 24 7905 25 9820 26 12059 27 14724 28 17811 29 21435 30 25586 31 30408 32 35885 33 42175 34 49273 35 57352 36 66401 37 76627 38 88012 39 100781 40 114928 41 130697 42 148074 43 167343 44 188483 45 211798 46 237282 47 265260 48 295717 49 329025 50 365160