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Search: id:A101217
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| A101217 |
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Base-4 representation of positive integers whose base-2 run-length representation is the same as their base-4 representation. |
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+0
1
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| 1, 113, 321, 11313, 32113, 1131313, 3211313, 113131313, 321131313, 11313131313, 32113131313, 1131313131313, 3211313131313
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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The base-2 run-length representation 11313 represents the base-2 number 101110111, which is 375 (base 10). But 375 = 11313 (base 4); thus 11313 is a term of the sequence.
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CROSSREFS
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Adjacent sequences: A101214 A101215 A101216 this_sequence A101218 A101219 A101220
Sequence in context: A031932 A069794 A033249 this_sequence A111013 A118506 A109563
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KEYWORD
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nonn
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AUTHOR
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John W. Layman (layman(AT)math.vt.edu), Dec 14 2004
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