# A069247 (b-file synthesized from sequence entry) 0 1 1 2 2 10 3 97 4 497 5 1973 6 6364 7 17237 8 41322 9 90071 10 181380 11 342816 12 614695 13 1053411 14 1737152 15 2771031 16 4292535 17 6480448 18 9562557 19 13823734 20 19618790 21 27383266 22 37644682 23 51040022 24 68330141 25 90414697 26 118354982 27 153392467