A045786 Squares with initial digit '3'.

36, 324, 361, 3025, 3136, 3249, 3364, 3481, 3600, 3721, 3844, 3969, 30276, 30625, 30976, 31329, 31684, 32041, 32400, 32761, 33124, 33489, 33856, 34225, 34596, 34969, 35344, 35721, 36100, 36481, 36864, 37249, 37636, 38025, 38416, 38809

Offset: 1

Author

Jeff Burch

Keywords

• nonn
• base

Crossrefs

Cf. A045857.

Cf. A045784, A045785, A045787, A045788, A045789, A045791, A045792, A045793.

Programs

Mathematica

Select[Range[200]^2,First[IntegerDigits[#]]==3&]  (* Harvey P. Dale, Apr 21 2011 *)

Formula

a(n) = A045857(n)^2. - Michel Marcus, Sep 04 2021