# A006350 (b-file synthesized from sequence entry) 1 0 2 1 3 7 4 27 5 101 6 337 7 1151 8 3843 9 12965 10 43773 11 148529 12 505605 13 1727771 14 5920823 15 20345445 16 70073901 17 241849929 18 836230109 19 2896104951 20 10044664507 21 34884102385 22 121293088909 23 422196245641 24 1471030361069 25 5130057477187 26 17905427995239