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Search: id:A115838
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| A115838 |
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Self-describing sequence. The n-th integer of the sequence indicates how many integers of the sequence are strictly < 4n. |
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+0
1
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| 1, 4, 5, 6, 8, 12, 16, 17, 20, 21, 22, 23, 24, 25, 26, 27, 28, 32, 33, 34, 36, 40, 44, 48, 52, 56, 60, 64, 68, 69, 70, 71, 72, 76, 80, 81, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Terms computed by Gilles Sadowski. In building step by step the sequence one has sometimes the choice for an integer. If so take the smallest available one.
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EXAMPLE
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A(7)=16 because there are 16 integers in the sequence which are strictly < 28 (they are 1,4,5,6,8,12,16,17,20,21,22,23,24,25,26,27).
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CROSSREFS
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Sequence in context: A030343 A030590 A047430 this_sequence A158650 A105829 A143903
Adjacent sequences: A115835 A115836 A115837 this_sequence A115839 A115840 A115841
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KEYWORD
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base,easy,nonn
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AUTHOR
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Eric Angelini (eric.angelini(AT)kntv.be), Feb 01 2006
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