# A068369 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 14 4 210 5 5572 6 245224 7 16484608 8 1592692724 9 211735948032 10 37486076895064 11 8611994418091904 12 2512364155208956104 13 913526595412940173952 14 407407936880027138109376