The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A158022 Integers n such that all the digits needed to write the consecutive nonnegative integers from 0 to n fill exactly a square (no holes, no overlaps). 10
 0, 3, 8, 12, 22, 36, 54, 76, 101, 121, 132, 156, 169, 197, 212, 244, 261, 297, 316, 356, 377, 421, 444, 492, 517, 569, 596, 652, 681, 741, 772, 836, 869, 937, 972, 10221, 10626, 11041, 11466, 11901, 12346, 12801, 13266, 13741, 14226, 14721, 15226 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS The sides of the successive squares are given by A158023. Terms computed by Jean-Marc Falcoz. LINKS Eric Angelini, Digit Spiral E. Angelini, Digit Spiral [Cached copy, with permission] EXAMPLE ...0...01...012...0123...012345 .......23...345...4567...678910 ............678...8910...111213 ..................1112...141516 .........................171819 .........................202122 The integers fitting exactly in the SE corner of the above squares are 0, 3, 8, 12, 22. There is no 5x5 square where this is possible. CROSSREFS Sequence in context: A022407 A330897 A169923 * A209934 A007434 A128303 Adjacent sequences:  A158019 A158020 A158021 * A158023 A158024 A158025 KEYWORD base,nonn AUTHOR Eric Angelini, Mar 11 2009 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 21 09:30 EDT 2022. Contains 353908 sequences. (Running on oeis4.)