A045785 Squares with initial digit '2'.

25, 225, 256, 289, 2025, 2116, 2209, 2304, 2401, 2500, 2601, 2704, 2809, 2916, 20164, 20449, 20736, 21025, 21316, 21609, 21904, 22201, 22500, 22801, 23104, 23409, 23716, 24025, 24336, 24649, 24964, 25281, 25600, 25921, 26244, 26569

Offset

1,1

Links

Table of n, a(n) for n=1..36.

Formula

a(n) = A045856(n)^2. - Michel Marcus, Sep 04 2021

Mathematica

Flatten[Table[Range[Ceiling[Sqrt[2 10^n]], Floor[Sqrt[3 10^n]]]^2, {n, 4}]](* Harvey P. Dale, Jun 15 2011 *)

Crossrefs

Cf. A045856.

Cf. A045784, A045786, A045787, A045788, A045789, A045791, A045792, A045793.

Sequence in context: A298131 A077346 A351470 * A030484 A225135 A038692

Adjacent sequences: A045782 A045783 A045784 * A045786 A045787 A045788

Keyword

nonn,base

Author

Jeff Burch

Status

approved