# A197462 (b-file synthesized from sequence entry) 1 1 2 3 3 3 4 9 5 14 6 38 7 74 8 185 9 414 10 1026 11 2440 12 6077 13 14926 14 37454 15 93749 16 237035 17 599815 18 1526020 19 3889117 20 9944523 21 25475398 22 65416733 23 168277945 24 433705325 25 1119610147 26 2894928713