# A293536 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 5 5 8 6 16 7 17 8 77 9 124 10 284 11 287 12 988 13 3277 14 4123 15 5290 16 12317 17 18280 18 18302 19 20266 20 20665 21 41420 22 56224 23 100997 24 174754