# A201270 (b-file synthesized from sequence entry) 0 1 1 3 2 5 3 7 4 85 5 556 6 1260 7 27008 8 215577 9 613916 10 16442049 11 152673459 12 487975060 13 14392411292 14 144918917509 15 496264541787 16 15559415313705 17 165127072154120 18 592098075114238 19 19339952787547252 20 212870280758956694 21 788675446037414831 22 26535438036570486429 23 300014957716483809886