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Search: id:A069112
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| A069112 |
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Square-free part of 2^n-1 : the smallest number such that a(n)*(2^n-1) is a square. |
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| 1, 3, 7, 15, 31, 7, 127, 255, 511, 1023, 2047, 455, 8191, 16383, 32767, 65535, 131071, 29127, 524287, 41943, 42799, 4194303, 8388607, 1864135, 33554431, 67108863, 134217727, 268435455, 536870911, 119304647, 2147483647, 4294967295
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