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A045784 Squares with initial digit '1'. 4
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

MATHEMATICA

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

CROSSREFS

Cf. A045855.

Sequence in context: A297684 A322722 A014762 * A016958 A108677 A001249

Adjacent sequences:  A045781 A045782 A045783 * A045785 A045786 A045787

KEYWORD

nonn,base

AUTHOR

Jeff Burch

STATUS

approved

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Last modified October 21 11:33 EDT 2019. Contains 328296 sequences. (Running on oeis4.)