A136823 Numbers k such that k and k^2 use only the digits 0, 1, 2, 5 and 6.

0, 1, 5, 10, 11, 15, 16, 25, 50, 51, 100, 101, 105, 110, 125, 150, 160, 225, 250, 255, 500, 501, 505, 510, 511, 515, 516, 1000, 1001, 1005, 1010, 1011, 1025, 1050, 1100, 1101, 1105, 1125, 1225, 1250, 1251, 1265, 1500, 1505, 1600, 2250, 2261, 2500, 2501, 2550, 5000, 5001, 5005, 5010, 5011, 5015, 5016, 5025, 5050, 5051, 5100, 5101, 5105, 5110, 5125, 5150, 5160

Offset

1,3

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..1355

Jonathan Wellons, Tables of Shared Digits

Example

51202051^2 = 2621650026606601.

Crossrefs

Cf. A000290.

Sequence in context: A297255 A296699 A297132 * A275200 A225838 A036788

Adjacent sequences: A136820 A136821 A136822 * A136824 A136825 A136826

Keyword

base,nonn

Author

Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008

Status

approved