3 7 * 16 19 21 25 30 41 52 , ..., 70, ...
In the above sequence the 3rd term was erased - but surely
you can restore it!
How does the sequence continue?
12
The sequence is much easier to see in roman numerals, where they are the 3-digit numbers:
III
VII
XII <== solution
XVI
XIX
XXI
XXV
XXX
XLI
LII
... (LIV, LVI, LIX, LXI, LXV)
LXX
etc.
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Posted by Paul
on 2016-11-15 09:32:48 |