# A109616 (b-file synthesized from sequence entry) 1 2 2 5 3 10 4 25 5 36 6 44 7 65 8 67 9 138 10 149 11 176 12 212 13 279 14 1293 15 2367 16 2463 17 2707 18 3130 19 4150 20 4635