# A293398 (b-file synthesized from sequence entry) 1 0 2 2 3 5 4 6 5 11 6 14 7 41 8 47 9 51 10 84 11 164 12 228 13 293 14 1178 15 1212 16 1292 17 2099 18 2694 19 4446 20 7382 21 13638 22 39428 23 40971