# A057035 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 6 5 10 6 15 7 21 8 22 9 35 10 55 11 182 12 221 13 231 14 357 15 442 16 715 17 1105 18 1430 19 2958 20 23345 21 106981 22 144210 23 219965 24 226083 25 496961