# A316972 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 28 4 277 5 3985 6 76117 7 1833187 8 53756682 9 1871041538 10 75809298105 11 3521419837339 12 185235838688677 13 10923147890901151 14 715989783027216302 15 51793686238309903860 16 4109310551278549543317 17 355667047514571431358297 18 33422937748872646130124797