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A091961
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Numbers that are not binary cyclic right-rotating progressive sum of digits (see A091821) of any natural number.
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1
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9, 37, 38, 43, 54, 68, 76, 80, 93, 100, 111, 121, 139, 141, 149, 162, 169, 170, 181, 196, 197, 212, 214, 224, 232, 246, 248, 257, 265, 267, 268, 299, 304, 305, 320, 330, 337, 348, 351, 356, 364, 368, 374, 375, 383, 406, 417, 433, 441, 457
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OFFSET
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1,1
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COMMENTS
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Let B(n) be the sequence A091821. If n (n>1) is a power of 2 then B(m) >= ceiling(n/floor(1+log_2(n))) for all m >= n. So if a number i does not occur within the first k (k>1) numbers of A091821 and k is a power of 2 and i < ceiling(k/floor(1+log_2(k))), i will not occur anywhere within A091821.
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LINKS
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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Frank Schwellinger (nummer_eins(AT)web.de), Mar 13 2004
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STATUS
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approved
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