# A164895 (b-file synthesized from sequence entry) 1 3 2 7 3 60 4 121 5 973 6 15577 7 62310 8 498486 9 3987893 10 15951575 11 127612605 12 2041801688 13 32668827017 14 261350616143 15 4181609858297 16 16726439433191 17 66905757732766 18 267623030931067 19 4281968494897080 20 34255747959176644 21 274045983673413158 22 1096183934693652634