# A255930 (b-file synthesized from sequence entry) 0 1 1 3 2 33 3 991 4 63060 5 7018860 6 1206748720 7 295775068680 8 97835325011235 9 41970842737399345 10 22655642596496388759 11 15025240474194493147857 12 12008582230377080862401692 13 11382727559611560650861409564 14 12625404970864692720119281536900 15 16199644066580777034289339157904220