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A091961 Numbers that are not binary cyclic right-rotating progressive sum of digits (see A091821) of any natural number. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Let B(n) be the sequence A091821. If n (n>1) is a power of 2 then B(m) >= ceil(n/floor(1+log2(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 < ceil(k/floor(1+log2(k))), i will not occur anywhere within A091821.

LINKS

Table of n, a(n) for n=1..50.

CROSSREFS

Cf. A091821.

Sequence in context: A071134 A116108 A232257 * A103758 A274769 A126914

Adjacent sequences:  A091958 A091959 A091960 * A091962 A091963 A091964

KEYWORD

base,easy,nonn

AUTHOR

Frank Schwellinger (nummer_eins(AT)web.de), Mar 13 2004

STATUS

approved

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Last modified October 18 23:07 EDT 2018. Contains 316327 sequences. (Running on oeis4.)