# A098322 (b-file synthesized from sequence entry) 0 0 1 16 2 48 3 101 4 421 5 2374 6 7728 7 9449 8 17685 9 83666 10 71168 11 128130 12 555251 13 412816 14 271385 15 1111695 16 1910101 17 11633401 18 14851698 19 9668058 20 43227391 21 159078942