# A179472 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 16 4 352 5 19456 6 2580480 7 797442048 8 562315657216 9 890678506684416 10 3130276584569700352 11 24169368847503392243712 12 406655844230538529416937472 13 14808051220103187059129440010240