# A144268 (b-file synthesized from sequence entry) 1 1 2 5 3 1 4 55 5 15 6 1 7 935 8 220 9 75 10 30 11 1 12 21505 13 4675 14 2750 15 550 16 375 17 50 18 1 19 623645 20 129030 21 70125 22 30250 23 14025 24 16500 25 1875 26 1100 27 1125 28 75 29 1 30 21827575 31 4365515 32 2258025 33 1799875 34 451605 35 490875 36 211750 37 144375 38 32725 39 57750 40 13125 41 1925 42 2625 43 105 44 1 45 894930575