# A151178 (b-file synthesized from sequence entry) 0 1 1 3 2 12 3 50 4 219 5 983 6 4495 7 20831 8 97495 9 459905 10 2182892 11 10413446 12 49885007 13 239810963 14 1156285326 15 5589527618 16 27080304481 17 131455790797 18 639225917752 19 3113108665530 20 15182006797049 21 74130912066731 22 362371028187997 23 1773157437378049 24 8684450458034151 25 42570128073545983 26 208836096127242016