A291671 Numbers k such that 3 is the smallest decimal digit of k^4.

16, 56, 88, 96, 162, 296, 312, 428, 484, 2404, 2444, 2566, 2588, 2882, 2928, 2966, 2976, 3034, 4372, 4384, 4426, 5396, 7618, 8222, 8266, 8358, 9062, 9306, 14428, 14482, 14546, 14608, 15874, 16476, 16568, 16682, 16738, 16784, 16796, 17072, 17306, 24224, 24316

Offset

1,1

Links

Robert Israel, Table of n, a(n) for n = 1..1006

Example

56 is in the sequence because 56^4 = 9834496, the smallest decimal digit of which is 3.

Maple

select(t -> min(convert(t^4, base, 10))=3, [$1..10^5]); # Robert Israel, Aug 29 2017

Mathematica

Select[Range[25000], Min[IntegerDigits[#^4]]==3&] (* Harvey P. Dale, Jun 13 2019 *)

Prog

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

Crossrefs

Cf. A291668, A291669, A291670, A291672.

Sequence in context: A297341 A228757 A220536 * A029719 A347253 A039451

Adjacent sequences: A291668 A291669 A291670 * A291672 A291673 A291674

Keyword

nonn,base

Author

Colin Barker, Aug 29 2017

Status

approved