Koliko ima podskupova prvih
prirodnih brojeva koji ne sadrže dva uzastopna broja?
How many subsets of the first
positive integers are there which don’t contain any pair of consecutive numbers?
[lang=hr]
Koliko ima podskupova prvih $12$ prirodnih brojeva koji ne sadrže dva uzastopna broja?
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[lang=en]
How many subsets of the first $12$ positive integers are there which don’t contain any pair of consecutive numbers?
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