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A373125
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Difference between 2^n and the least squarefree number >= 2^n.
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13
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0, 0, 1, 2, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 3, 3, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1
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OFFSET
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0,4
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LINKS
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FORMULA
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MATHEMATICA
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Table[NestWhile[#+1&, 2^n, !SquareFreeQ[#]&]-2^n, {n, 0, 100}]
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CROSSREFS
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Difference between 2^n and A372683(n).
A053797 gives lengths of gaps between squarefree numbers.
A061398 counts squarefree numbers between primes (exclusive).
A077643 counts squarefree terms between powers of 2, run-lengths of A372475.
A143658 counts squarefree numbers up to 2^n.
For primes between powers of 2:
- sum A293697 (except initial terms)
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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