# A369441 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 30 4 141 5 704 6 3666 7 19686 8 108222 9 606062 10 3445308 11 19829680 12 115323955 13 676659960 14 4000719012 15 23811922678 16 142557391306 17 857894530348 18 5186614665121 19 31487226410770 20 191871141682557 21 1173163962971056 22 7195329233469552 23 44255915928488880