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Search: id:A074273
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| A074273 |
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Positions in the Kolakoski sequence A000002 when there are an even number of 1's. |
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+0
1
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| 4, 7, 13, 16, 20, 23, 28, 31, 34, 40, 43, 48, 51, 55, 59, 64, 68, 71, 76, 79, 85, 88, 94, 97, 101, 104, 109, 113, 116, 121, 124, 128, 131, 134, 140, 143, 148, 152, 157, 160, 164, 168, 173, 176, 179, 184, 187, 191, 194, 199, 202
(list; graph; listen)
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OFFSET
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0,1
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EXAMPLE
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Kolakoski: 1,2,2,1,1,2,1,2,2,1,2,2,1,1,... Therefore at positions 4, 7 and 13 we have 2,4 and 6 1's in the sequence.
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CROSSREFS
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Sequence in context: A137827 A045090 A031149 this_sequence A125758 A151788 A048297
Adjacent sequences: A074270 A074271 A074272 this_sequence A074274 A074275 A074276
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KEYWORD
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nonn
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AUTHOR
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Jon Perry (perry(AT)globalnet.co.uk), Sep 21 2002
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