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A048423 Squares composed of two '2-digit' overlapping subsquares. 1
237169, 519841, 1795640625, 12127515625, 39312975625, 1562067529929, 7140252015625, 13456608305625, 17689805105625, 21995856120676, 55450123962256, 288990106084681, 349690935000625, 3516498895005625, 4426816403205625, 7224752652117025, 19424557728928144 (list; graph; refs; listen; history; text; internal format)
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

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Last modified July 24 18:34 EDT 2021. Contains 346273 sequences. (Running on oeis4.)