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A333548
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Numbers k such that A005132(k-1) = k.
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5
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OFFSET
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1,1
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COMMENTS
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Subtracting 1 from k gives the index of a term A005132(k-1) = k in Recamán's sequence A005132 such that subtracting k would reach 0. This is not permitted, so we must add k instead, obtaining A005132(k) = 2*k.
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LINKS
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EXAMPLE
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PROG
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(Python)
for n in range(1, 10**10):
y -= n
y += 2*n
if y == n+1:
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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