# A026940 (b-file synthesized from sequence entry) 1 1 2 6 3 38 4 256 5 1805 6 13162 7 98469 8 751656 9 5831451 10 45847770 11 364498596 12 2925337352 13 23668977163 14 192859753310 15 1581188102590 16 13034447714688 17 107971181472779 18 898274382703314 19 7502546644142842 20 62884859093960160 21 528788663216036559 22 4459599092506030110