A sequence starts:
1 2 2 3 3 3 4 4 4 4 5 5 5 5 5 etc.
(ie: one 1, two 2s, three 3s, etc)
What is the millionth term?
This can be done without a calculator!
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A sequence starts:
1 2 2 3 3 3 4 4 4 4 5 5 5 5 5 etc.
(ie: one 1, two 2s, three 3s, etc)
What is the millionth term?
This can be done without a calculator!