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A042958
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The sequence d when b=[ 1,1,1,1,0,1,1,1,.. ].
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2
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1, 5, 6, 10, 11, 12, 16, 17, 20, 21, 23, 24, 26, 29, 31, 32, 33, 34, 35, 36, 37, 38, 39, 43, 44, 45, 46, 47, 52, 53, 54, 55, 57, 59, 61, 63, 64, 65, 69, 70, 72, 73, 74, 75, 77, 78
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OFFSET
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0,2
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COMMENTS
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Map a binary sequence b=[ b_1,... ] to a binary sequence c=[ c_1,... ] so that C=1/Product((1-x^i)^c_i == 1+Sum b_i*x^i mod 2.
This produces 2 new sequences: d={i:c_i=1} and e=[ 1,e_1,... ] where C=1+Sum e_i*x^i.
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LINKS
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CROSSREFS
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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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