# A309904 (b-file synthesized from sequence entry) 0 0 1 1 2 8 3 204 4 890 5 890 6 51311 7 286609 8 3580781 9 20875184 10 182289612 11 747240110 12 8656547082 13 8656547082 14 105545557489 15 783768630338 16 15026453160167 17 114725244868970 18 1045247300817798 19 9187315290370043 20 20586210475743186 21 20586210475743186