A014569 Super-3 Numbers (3n^3 contains substring '333' in its decimal expansion).

261, 462, 471, 481, 558, 753, 1036, 1046, 1471, 1645, 1752, 1848, 1923, 1926, 1968, 2031, 2231, 2232, 2363, 2395, 2471, 2591, 2610, 3058, 3087, 3148, 3163, 3172, 3181, 3471, 3494, 3542, 3851, 3884, 4143, 4269, 4314, 4471, 4527, 4554, 4620, 4710, 4732

Offset

0,1

References

C. A. Pickover, Keys to Infinity. New York: Wiley, p. 7, 1995.

Links

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Eric Weisstein's World of Mathematics, Super-d Number.

Example

n = 1752 so 3 * 1752^3 = 161'333'13024.

Mathematica

Select[Range[5000], MemberQ[Partition[IntegerDigits[3#^3], 3, 1], {3, 3, 3}]&] (* Harvey P. Dale, Feb 01 2013 *)

Crossrefs

Cf. A032743-A032749.

Sequence in context: A131062 A079506 A028527 * A063364 A264894 A028536

Adjacent sequences: A014566 A014567 A014568 * A014570 A014571 A014572

Keyword

nonn,base

Author

Eric W. Weisstein

Extensions

Corrected and extended by Patrick De Geest, May 15 1998

Status

approved