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Search: id:A115843
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| A115843 |
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Self-describing sequence. The n-th integer of the sequence indicates how many integers of the sequence are strictly < 9n. |
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+0
1
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| 1, 9, 10, 11, 12, 13, 14, 15, 16, 18, 27, 36, 45, 54, 63, 72, 81, 82, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130
(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)=14 because there are 14 integers in the sequence which are strictly < 63 (they are 1,9,10,11,12,13,14,15,16,18,27,36,45,54)
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CROSSREFS
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Sequence in context: A107043 A023392 A060009 this_sequence A058365 A121816 A001731
Adjacent sequences: A115840 A115841 A115842 this_sequence A115844 A115845 A115846
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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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