A048423 Squares composed of two '2-digit' overlapping subsquares.

237169, 519841, 1795640625, 12127515625, 39312975625, 1562067529929, 7140252015625, 13456608305625, 17689805105625, 21995856120676, 55450123962256, 288990106084681, 349690935000625, 3516498895005625, 4426816403205625, 7224752652117025, 19424557728928144

Offset

1,1

Comments

Subsquares with leading and/or trailing zeros not included. Subsquares at least 3 digits long.

Links

Table of n, a(n) for n=1..17.

Example

21995856120676 = 4689974^2 = 2199585{61}20676 = 14831^2 and 2474^2.

Crossrefs

Cf. A048424.

Sequence in context: A324898 A190933 A122474 * A251363 A251613 A236717

Adjacent sequences: A048420 A048421 A048422 * A048424 A048425 A048426

Keyword

nonn,base

Author

Patrick De Geest, Apr 15 1999

Extensions

More terms from Sean A. Irvine, Jun 16 2021

Status

approved