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Search: id:A097985
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| A097985 |
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Number of partition numbers with n digits. |
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+0
2
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| 5, 7, 9, 11, 13, 15, 16, 18, 20, 21, 24, 25, 26, 29, 30, 32, 33, 35, 37, 38, 41, 41, 44, 45, 47, 48, 50, 52, 54, 55, 56, 59, 60, 62, 63, 65, 67, 68, 70, 71, 74, 74, 77, 78, 80, 81, 83, 85, 86, 88, 90, 91, 93, 95, 96, 98, 99, 101, 103, 104, 106, 108, 109, 111, 112, 114, 116
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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a(n)=A072212(n)-A072212(n-1) for n>=2. - Emeric Deutsch (deutsch(AT)duke.poly.edu), Mar 19 2005
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EXAMPLE
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a(2)=7 because the number of partitions of 5,6,...,13 are 7,11,15,22,30,42,56, 77,101 and thus exactly 7 partition numbers have 2 digits.
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CROSSREFS
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Cf. A000041, A072212.
Adjacent sequences: A097982 A097983 A097984 this_sequence A097986 A097987 A097988
Sequence in context: A080353 A128163 A106505 this_sequence A099047 A084926 A049013
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KEYWORD
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nonn,base
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AUTHOR
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Lekraj Beedassy (blekraj(AT)yahoo.com), Sep 07 2004
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EXTENSIONS
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Corrected and extended by Emeric Deutsch (deutsch(AT)duke.poly.edu), Mar 19 2005
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