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Search: id:A139280
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| A139280 |
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Multiples of 9 with unit digit equal to 9. |
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+0
10
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| 9, 99, 189, 279, 369, 459, 549, 639, 729, 819, 909, 999, 1089, 1179, 1269, 1359, 1449, 1539, 1629, 1719, 1809, 1899, 1989, 2079, 2169, 2259, 2349, 2439, 2529, 2619, 2709, 2799, 2889, 2979, 3069, 3159, 3249, 3339, 3429, 3519, 3609, 3699, 3789, 3879, 3969
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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a(n) = a(n-1) + 90.
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CROSSREFS
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Subsequence of A034709, together with A017281, A017293, A139222, A139245, A017329, A141277, A139264 and A139279.
Sequence in context: A083835 A045644 A116136 this_sequence A116274 A116286 A100681
Adjacent sequences: A139277 A139278 A139279 this_sequence A139281 A139282 A139283
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KEYWORD
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easy,nonn,base
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AUTHOR
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Odimar Fabeny (aifab(AT)yahoo.com.br), Jun 06 2008
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EXTENSIONS
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More terms from Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 22 2008
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