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A068223
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Bit-masks of A068221 shown in binary.
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3
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1, 11, 11011, 1101100011011, 1101100011011000001101100011011, 110110001101100000110110001101100000000001101100011011000001101100011011, 110110001101100000110110001101100000000001101100011011000001101100011011000000000000110110001101100000110110001101100000000001101100011011000001101100011011
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OFFSET
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1,2
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LINKS
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CROSSREFS
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The width of central gap of the term a(n) (n>1)= 0, 1, 3, 5, 10, 12, ... is given by A068059(n-1)-1. Cf. A068224, A068739.
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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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