# A124307 (b-file synthesized from sequence entry) 0 5 1 7 2 13 3 25 4 58 5 106 6 166 7 430 8 805 9 1510 10 3190 11 6415 12 12595 13 25963 14 51457 15 102283 16 205744 17 412918 18 825961 19 1649851 20 3297091 21 6593902 22 13191169 23 26388961 24 52772314 25 105541459 26 211045936