# A291331 (b-file synthesized from sequence entry) 0 1 1 2 2 80 3 152064 4 31832735744 5 1278532180456243200 6 15158097871912903189326725120 7 75553979800594222861911290918096439607296 8 213679399657239557797941463213636090471439135194537263104