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A114544
A self-descriptive fractal sequence. Each element describes the length and beginning of a finite arithmetic sequence. Replace each finite sequence with its length (or its first element) and you recover the original infinite sequence.
2
2, 3, 3, 4, 5, 3, 4, 5, 4, 5, 6, 7, 5, 6, 7, 8, 9, 3, 4, 5, 4, 5, 6, 7, 5, 6, 7, 8, 9, 4, 5, 6, 7, 5, 6, 7, 8, 9, 6, 7, 8, 9, 10, 11, 7, 8, 9, 10, 11, 12, 13, 5, 6, 7, 8, 9, 6, 7, 8, 9, 10, 11, 7, 8, 9, 10, 11, 12, 13, 8, 9, 10, 11, 12, 13, 14, 15, 9, 10, 11, 12, 13, 14, 15, 16, 17, 3, 4, 5, 4, 5, 6, 7
OFFSET
2,1
EXAMPLE
The first element is 2, describing the two-term arithmetic sequence 2, 3. The second and third elements, 3, describe 3, 4, 5.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Kerry Mitchell, Dec 07 2005
STATUS
approved