Who knows the law of this series: 1, 2, 3, 6, 12, 23, 44 1. 2, 3, 6, 12, 23, 44, x, 164 what is the law?

eighty-five
Start with the fifth number
12=1+2+3+6
23=2+3+6+12
44=3+6+12+23
Similarly, x = 6 + 12 + 23 + 44 = 85
The same holds for the last number: 164 = 12 + 23 + 44 + x = 12 + 23 + 44 + 85

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