# A291452 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 0 4 1 5 35 6 0 7 1 8 495 9 5775 10 0 11 1 12 8255 13 450450 14 2627625 15 0 16 1 17 130815 18 35586525 19 727476750 20 2546168625 21 0 22 1 23 2098175 24 2941884000 25 181262956875 26 1932541986375 27 4509264634875