A046076 - OEIS

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A046076

Indices of binary undulants; numbers n such that 2^n contains the alternating sequence of digits 010... or 101...

103, 107, 138, 159, 179, 187, 192, 199, 205, 211, 217, 218, 234, 249, 254, 264, 269, 285, 288, 293, 296, 299, 304, 305, 316, 347, 350, 354, 364, 368, 378, 383, 384, 385, 390, 393, 406, 416, 420, 427, 436, 443, 445, 449, 451, 454, 457, 462, 463, 485, 488

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

REFERENCES

C. A. Pickover, ``The Undulation of the Monks.'' Ch. 20 in Keys to Infinity. New York: W.H.Freeman, pp. 159-161 1995.

C. A. Pickover, "Wonders of Numbers", Oxford New York 2001, Chapter 52, pp. 123-124, 316-317.

LINKS

Table of n, a(n) for n=1..51.

C. A. Pickover, "Wonders of Numbers, Adventures in Mathematics, Mind and Meaning," Zentralblatt review

Eric Weisstein's World of Mathematics, Undulating Number.

CROSSREFS

Cf. A033619, A046075, A046077.