login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A031153 Numbers n such that n^2 contains only digits {1,2,5}. 4
1, 5, 11, 15, 35, 39, 235, 335, 461, 715, 1235, 1585, 2261, 2285, 3335, 12335, 33335, 33989, 34965, 72285, 123335, 333335, 1101011, 1233335, 3333335, 11054965, 12333335, 14579285, 33333335, 105934485, 123333335, 333333335 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

CROSSREFS

Cf. A031151, A034905.

Sequence in context: A154503 A137009 A034905 * A136976 A136975 A136973

Adjacent sequences:  A031150 A031151 A031152 * A031154 A031155 A031156

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

EXTENSIONS

Extended and corrected by author Mar 15 2000.

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 13 09:48 EST 2012. Contains 205451 sequences.