A045784 Squares with initial digit '1'.

1, 16, 100, 121, 144, 169, 196, 1024, 1089, 1156, 1225, 1296, 1369, 1444, 1521, 1600, 1681, 1764, 1849, 1936, 10000, 10201, 10404, 10609, 10816, 11025, 11236, 11449, 11664, 11881, 12100, 12321, 12544, 12769, 12996, 13225, 13456, 13689, 13924

Offset

1,2

Links

N. J. A. Sloane, Table of n, a(n) for n = 1..20000

Formula

a(n) = A045855(n)^2. - Michel Marcus, Sep 04 2021

Mathematica

Select[Range[120]^2, First[IntegerDigits[#]]==1&] (* Harvey P. Dale, Dec 31 2011 *)

Crossrefs

Cf. A045855.

Cf. A045785, A045786, A045787, A045788, A045789, A045791, A045792, A045793.

Sequence in context: A344866 A322722 A014762 * A354877 A016958 A108677

Adjacent sequences: A045781 A045782 A045783 * A045785 A045786 A045787

Keyword

nonn,base

Author

Jeff Burch

Status

approved