# A162356 (b-file synthesized from sequence entry) 0 2 1 9 2 44 3 226 4 1192 5 6372 6 34288 7 185096 8 1000736 9 5414544 10 29306048 11 158644768 12 858873472 13 4649961024 14 25175459584 15 136304222336 16 737977344512 17 3995559643392 18 21632794323968 19 117124519584256 20 634137036138496