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 A007356 Apocalyptic powers: 2^n contains 666. (Formerly M5405) 3
 157, 192, 218, 220, 222, 224, 226, 243, 245, 247, 251, 278, 285, 286, 287, 312, 355, 361, 366, 382, 384, 390, 394, 411, 434, 443, 478, 497, 499, 506, 508, 528, 529, 539, 540, 541, 564, 578, 580, 582, 583, 610, 612, 614, 620, 624, 635, 646, 647, 648, 649, 650 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Conjecture: for n > 26069, a(n) = n + 3715. [Charles R Greathouse IV, Sep 28 2011] REFERENCES C. Pickover, Mazes for the Mind, St. Martin's Press, NY, 1992, p. 337. N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). LINKS T. D. Noe, Table of n, a(n) for n=1..1000 Eric Weisstein's World of Mathematics, Apocalyptic Number MAPLE q:= n-> searchtext("666", cat(2^n))>0: select(q, [\$1..1000])[];  # Alois P. Heinz, Oct 26 2019 PROG (Python) A007356_list = [k for k in range(1000) if '666' in str(2**k)] # Chai Wah Wu, Oct 26 2019 CROSSREFS Sequence in context: A178091 A178092 A140035 * A236537 A048927 A163490 Adjacent sequences:  A007353 A007354 A007355 * A007357 A007358 A007359 KEYWORD base,nonn AUTHOR STATUS approved

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Last modified April 16 21:58 EDT 2021. Contains 343051 sequences. (Running on oeis4.)