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Search: id:A069187
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| A069187 |
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Numbers n such that core(n)=ceil(sqrt(n)) where core(x) is the square-free part of x (the smallest integer such that x*core(x) is a square). |
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| 1, 2, 20, 90, 272, 650, 1332, 4160, 6642, 10100, 14762, 20880, 28730, 38612, 50850, 65792, 83810, 130682, 160400, 194922, 234740, 280370, 332352, 391250, 457652
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