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Search: id:A139384
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| A139384 |
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The number of 3-digit multiples of n whose digits sum to n. |
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+0
1
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| 1, 2, 6, 3, 5, 12, 4, 5, 45, 9, 8, 17, 5, 5, 13, 4, 4, 25, 1, 0, 4, 0, 0, 1, 0, 0, 1
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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a(1)=1 as 100 is the only 3-digit multiple of 1 whose digits sum to 1, while a(19)=1 as 874 is the only 3-digit multiple of 19 with the property.
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CROSSREFS
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Adjacent sequences: A139381 A139382 A139383 this_sequence A139385 A139386 A139387
Sequence in context: A084355 A093650 A064433 this_sequence A083481 A136695 A011447
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KEYWORD
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base,full,nonn,fini
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AUTHOR
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Ian Duff (ianfduff(AT)yahoo.co.uk), Jun 08 2008
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