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Search: id:A100814
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| A100814 |
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Digits 9 to 0 are written in order with increasing number of digits for each member of the sequence. Leading zeros are counted, but are not written down. |
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+0
1
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| 9, 87, 654, 3210, 98765, 432109, 8765432, 10987654, 321098765, 4321098765, 43210987654, 321098765432, 1098765432109, 87654321098765, 432109876543210, 9876543210987654, 32109876543210987, 654321098765432109
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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This is similar to A062273 and A007923
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REFERENCES
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C. Ashbacher, "Some problems concerning the Smarandache deconstructive sequence", Journal of Recreational Mathematics, vol. 29(2), 82-84 (1998)
Russell Euler and Jawad Sadek, "Some divisibility patterns in the Smarandache deconstructive sequence", Journal of Recreational Mathematics, vol. 31(1), 12-14 (2002-2003)
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EXAMPLE
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The first number in the sequence is 9.
The second number in the sequence is 87.
The third number in the sequence is 654
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CROSSREFS
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Cf. A007923, A062273.
Sequence in context: A015581 A152261 A028339 this_sequence A055725 A144852 A153191
Adjacent sequences: A100811 A100812 A100813 this_sequence A100815 A100816 A100817
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KEYWORD
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nonn,easy,base
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jan 05 2005
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com) and Lior Manor (lior.manor(AT)gmail.com) Jan 14 2005
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