A291643 Numbers k such that 4 is the smallest decimal digit of k^3.

4, 36, 204, 786, 842, 1682, 2114, 3795, 3859, 3863, 4429, 4459, 4559, 4635, 7644, 7913, 7914, 8183, 8286, 8372, 8744, 8864, 9144, 9263, 9599, 16592, 17094, 17863, 18923, 19035, 19563, 19829, 20364, 20635, 20776, 36264, 38183, 38389, 38432, 40186, 44216

Offset: 1

Author

Colin Barker, Aug 28 2017

Keywords

• nonn
• base

Examples

			4 is in the sequence because 4^3 = 64, the smallest decimal digit of which is 4.
		

Links

• Chai Wah Wu, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A291639, A291640, A291641, A291642, A291644.

Programs

Mathematica

Select[Range[50000],Min[IntegerDigits[#^3]]==4&] (* Harvey P. Dale, Aug 13 2019 *)

PARI

select(k->vecmin(digits(k^3))==4, vector(50000, k, k))