# A176163 (b-file synthesized from sequence entry) 1 3 2 9 3 20 4 44 5 121 6 585 7 9506 8 1844164 9 53139700920 10 34862071776136405511 11 12153640485244865516062665215354311711 12 12153640485244865516062665215354311711