# A109719 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 9 5 33 6 167 7 944 8 6390 9 49450 10 434374 11 4259184 12 46122552 13 546390012 14 7027204428 15 97489431360 16 1450957014000 17 23058303178896 18 389666143681776 19 6977203291635840 20 131947560745672320 21 2627899581335038560 22 54977516540430772320 23 1205366436933694882560