# A177128 (b-file synthesized from sequence entry) 0 1 1 7 2 15 3 80 4 371 5 2088 6 11771 7 70305 8 427405 9 2663932 10 16853341 11 108166507 12 701904555 13 4599254190 14 30383303055 15 202154463130 16 1353408327935 17 9110887281150 18 61632613465475 19 418751976874065 20 2856336340630845