# A351797 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 9 5 29 6 87 7 273 8 819 9 2493 10 7497 11 22607 12 67821 13 203919 14 611757 15 1836363 16 5509437 17 16531749 18 49595247 19 148796757 20 446390271 21 1339201845 22 4017608811 23 12052916861 24 36158750583 25 108476535993 26 325429609661 27 976289644659 28 2928868963893 29 8786609348535