# A123960 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 2 5 22 6 152 7 842 8 4084 9 18116 10 75408 11 299730 12 1152834 13 4338280 14 16126958 15 59713888 16 221713192 17 829301072 18 3132108250 19 11945717358 20 45938159040 21 177695375802 22 689616061412 23 2679197337100 24 10403108215760 25 40332521702522