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A128117
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At the n-th iteration the sequence of integers from 1 to n are appended to the sequence a(n) times.
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2
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1, 1, 2, 1, 2, 3, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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LINKS
| Reed Kelly (math(AT)keldesign.com), Feb 15 2007, Table of n, a(n) for n = 1..371
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EXAMPLE
| a(5) = 2 so 1,2,3,4,5,1,2,3,4,5 is added to the end of the sequence at the fifth iteration.
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MATHEMATICA
| cr[n_] := Module[ { A = {1, 1, 2}, i, j }, For [ i = 3, i <= n, i++, A = Join[ A, Flatten[ Table[ Range[i], {A[[i]]} ]]]; ]; A ]
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CROSSREFS
| Sequence in context: A198338 A199086 A098053 * A023115 A194436 A061336
Adjacent sequences: A128114 A128115 A128116 * A128118 A128119 A128120
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KEYWORD
| easy,nonn
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AUTHOR
| Reed Kelly (math(AT)keldesign.com), Feb 15 2007
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