# A249835 (b-file synthesized from sequence entry) 1 0 2 3 3 15 4 41 5 84 6 153 7 247 8 367 9 523 10 721 11 961 12 1251 13 1588 14 1983 15 2437 16 2963 17 3548 18 4219 19 4954 20 5761