# A034619 (b-file synthesized from sequence entry) 0 1 1 0 2 648 3 17712 4 179334 5 1043280 6 4517208 7 15781392 8 44619984 9 116385552 10 272587680 11 572320080 12 1157871078 13 2232349632 14 3924968400 15 6928383600 16 11708537526 17 18624904128 18 29674012392 19 46479068784