# A146731 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 17 8 31 9 603 10 1111 11 11835 12 31735 13 783013 14 2381907 15 261886119 16 1041960181 17 168146324241 18 823285902521 19 171094649806295 20 1035545079698547 21 471550435880949163 22 3533719074119018679