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A165416
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Irregular array read by rows: The n-th row contains those distinct positive integers that each, when written in binary, occurs as a substring in binary n.
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2
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1, 1, 2, 1, 3, 1, 2, 4, 1, 2, 5, 1, 2, 3, 6, 1, 3, 7, 1, 2, 4, 8, 1, 2, 4, 9, 1, 2, 5, 10, 1, 2, 3, 5, 11, 1, 2, 3, 4, 6, 12, 1, 2, 3, 5, 6, 13, 1, 2, 3, 6, 7, 14, 1, 3, 7, 15, 1, 2, 4, 8, 16, 1, 2, 4, 8, 17, 1, 2, 4, 9, 18, 1, 2, 3, 4, 9, 19, 1, 2, 4, 5, 10, 20, 1, 2, 5, 10, 21, 1, 2, 3, 5, 6, 11, 22, 1
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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COMMENTS
| This is sequence A119709 with the 0's removed.
The n-th row of this sequence contains A122953(n) terms.
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EXAMPLE
| 6 in binary is 110. The distinct positive integers that occur as substrings in n when they and n are written in binary are: 1 (1 in binary), 2 (10 in binary), 3 (11 in binary), and 6 (110 in binary). So row 6 is (1,2,3,6).
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CROSSREFS
| Cf. A119709, A122953.
Sequence in context: A085392 A089384 A144113 * A057059 A169896 A162306
Adjacent sequences: A165413 A165414 A165415 * A165417 A165418 A165419
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KEYWORD
| base,nonn,tabf
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AUTHOR
| Leroy Quet, Sep 17 2009
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EXTENSIONS
| Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Mar 13 2010
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