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A032744
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Super-4 Numbers (4 * n^4 contains substring '4444' in its decimal expansion).
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2
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1168, 4972, 7423, 7752, 8431, 10267, 11317, 11487, 11549, 11680, 16588, 16664, 16837, 18257, 18597, 19784, 19933, 22217, 22504, 22819, 22829, 24078, 24331, 24514, 25296, 25698, 26685, 26738, 27812, 27973, 28988, 32466, 32467, 32735
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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REFERENCES
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C. A. Pickover, "Keys to Infinity", New York: Wiley, p. 7, 1995.
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Eric Weisstein's World of Mathematics, Super-d Number.
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MATHEMATICA
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Select[Range[33000], MemberQ[Partition[IntegerDigits[4*#^4], 4, 1], {4, 4, 4, 4}]&] (* From Harvey P. Dale, Mar 22 2012 *)
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CROSSREFS
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Cf. A014569.
Sequence in context: A223849 A223800 A221350 * A185477 A185469 A065656
Adjacent sequences: A032741 A032742 A032743 * A032745 A032746 A032747
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KEYWORD
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nonn,base
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AUTHOR
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Patrick De Geest, May 15 1998.
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STATUS
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approved
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