A048421 Squares composed of two '1-digit' overlapping subsquares.

3249, 81225, 225625, 364816, 2079364, 4950625, 39601849, 44156025, 84180625, 92294449, 116964225, 267289801, 341991049, 643890625, 1212780625, 1445900625, 1699500625, 2307361225, 2924105625, 2998438564, 3204126025

Offset

1,1

Comments

Subsquares with leading and/or trailing zeros not included. Subsquares at least 2 digits long.

Links

Table of n, a(n) for n=1..21.

Example

81225 = 285^2 = 8{1}225 = 81 and 1225 = 9^2 and 35^2.

Crossrefs

Cf. A000290, A048422.

Sequence in context: A253325 A204038 A235412 * A238254 A187135 A185840

Adjacent sequences: A048418 A048419 A048420 * A048422 A048423 A048424

Keyword

nonn,base

Author

Patrick De Geest, Apr 15 1999

Status

approved