# A289000 (b-file synthesized from sequence entry) 0 2 1 4 2 7 3 12 4 20 5 34 6 58 7 99 8 169 9 288 10 491 11 837 12 1428 13 2437 14 4159 15 7099 16 12118 17 20686 18 35312 19 60280 20 102903 21 175665 22 299877 23 511920 24 873900 25 1491838 26 2546724 27 4347527 28 7421690 29 12669614 30 21628381 31 36921953 32 63029713 33 107598447 34 183682035 35 313564844 36 535288668