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A032744 Super-4 Numbers (4 * n^4 contains substring '4444' in its decimal expansion). 2
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)
OFFSET
0,1
REFERENCES
C. A. Pickover, "Keys to Infinity", New York: Wiley, p. 7, 1995.
LINKS
Eric Weisstein's World of Mathematics, Super-d Number.
MATHEMATICA
Select[Range[33000], MemberQ[Partition[IntegerDigits[4*#^4], 4, 1], {4, 4, 4, 4}]&] (* Harvey P. Dale, Mar 22 2012 *)
CROSSREFS
Cf. A014569.
Sequence in context: A221350 A227485 A252009 * A185477 A185469 A065656
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, May 15 1998
STATUS
approved

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Last modified March 28 15:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)