# A180675 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 9 4 97 5 1041 6 11169 7 119833 8 1285697 9 13794337 10 148000449 11 1587907625 12 17036776865 13 182788823089 14 1961154631009 15 21041371248697 16 225754408665729 17 2422135536207937 18 25987269043538817 19 278819307278968905