A048426 Numbers k such that k^2 is composed of three 1-digit-overlapping subsquares.

696, 1275, 1771, 2538, 3486, 6014, 6021, 7969, 16035, 16095, 16096, 19175, 29004, 40066, 47475, 67989, 69007, 76005, 85396, 90098, 110425, 128125, 150112, 160038, 160125, 160205, 161177, 170775, 180204, 180275, 220095, 259325, 350042, 480675

Offset

1,1

Comments

Subsquares with leading and/or trailing zeros are not included.

Subsquares are at least 2 digits long.

Links

Table of n, a(n) for n=1..34.

Example

6014 is a term:
6014^2 = 36168196
  19^2 = 361
  41^2 =   1681
  14^2 =      196
           ^  ^
           |  |
         1-digit overlaps

Crossrefs

Cf. A000290, A048425.

Sequence in context: A251367 A221418 A157435 * A209731 A222782 A282048

Adjacent sequences: A048423 A048424 A048425 * A048427 A048428 A048429

Keyword

nonn,base

Author

Patrick De Geest, Apr 15 1999

Extensions

Offset corrected by Sean A. Irvine, Nov 08 2022

Status

approved