# A117777 (b-file synthesized from sequence entry) 1 2 2 3 3 6 4 6 5 16 6 16 7 45 8 45 9 142 10 142 11 435 12 435 13 1417 14 1417 15 4802 16 4802 17 16433 18 16433 19 57808 20 57808 21 210708 22 210708 23 752233 24 752233 25 2748264 26 2748264 27 10211513 28 10211513 29 38013234 30 38013234 31 140417288 32 140417288