

A158028


Square numbers s such that all the digits needed to write the consecutive square numbers from 0 to s fill exactly a square (no holes, no overlaps).


1



0, 9, 81, 144, 400, 625, 15625, 17956, 30276, 34225, 54289, 60516, 91204, 1113025, 1478656, 1934881, 2496400, 3179089, 4000000, 4977361, 6130576, 7480225, 9048064, 1009205824, 1063281664, 1077152400, 1134072976, 1148667664
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OFFSET

1,2


COMMENTS

The sides of the successive squares are given by A158029. Terms computed by JeanMarc Falcoz.


LINKS



EXAMPLE

...0...01...0116...01161
.......49...4964...49640
............2539...25390
............6481...64811
...................21144
The square numbers fitting exactly in the SE corner of the above squares are 0, 9, 81, 144. There is no 3x3 square where this is possible.


CROSSREFS



KEYWORD

base,nonn


AUTHOR



STATUS

approved



