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Search: id:A115844
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| A115844 |
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Self-describing sequence. The n-th integer of the sequence indicates how many integers of the sequence are strictly < 10n. |
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+0
1
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| 1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 30, 40, 50, 60, 70, 80, 90, 100, 101, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145
(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)=15 because there are 15 integers in the sequence which are strictly < 70 (they are 1,10,11,12,13,14,15,16,17,18,20,30,40,50,60)
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CROSSREFS
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Sequence in context: A045918 A088476 A008715 this_sequence A008714 A058364 A008713
Adjacent sequences: A115841 A115842 A115843 this_sequence A115845 A115846 A115847
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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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