# A283496 (b-file synthesized from sequence entry) 1 1 2 4 3 6 4 10 5 16 6 37 7 60 8 64 9 78 10 96 11 166 12 256 13 1294 14 1398 15 2044 16 2244 17 5080 18 7464 19 8041 20 17929 21 18144 22 29080 23 32623