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Search: id:A158302
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| A158302 |
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"1" followed by repeats of 2^k deleting all 4^k, k>0 |
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+0
1
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| 1, 2, 2, 8, 8, 32, 32, 128, 128, 512, 512, 2048, 2048, 8192, 8192, 32768, 32768
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Binomial transform = A122983: (1, 3, 7, 21, 61, 183,...). Equals right border of triangle A158301.
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FORMULA
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1 followed by repeats of powers of 2, deleting powers of 4: (4, 16, 64,...). Inverse binomial transform of A122983 starting (1, 3, 7, 21, 61, 183,...).
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EXAMPLE
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Given "1" followed by repeats of powers of 2: (1, 2, 2, 4, 4, 8, 8, 16, 16,...);
delete powers of 4: (4, 16, 64, 156,...) leaving A158300:
(1, 2, 2, 8, 8, 32, 32, 128, 128,...).
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CROSSREFS
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Cf. A122983, A158301
Sequence in context: A120544 A155950 A162959 this_sequence A007083 A144060 A016119
Adjacent sequences: A158299 A158300 A158301 this_sequence A158303 A158304 A158305
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Mar 15 2009
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