A291631 - OEIS

A291631

Numbers k such that 6 is the smallest decimal digit of k^2.

26, 83, 264, 313, 824, 836, 883, 887, 937, 3114, 8167, 8813, 8887, 8937, 9417, 9833, 25824, 26264, 29614, 29626, 89324, 89437, 93637, 94863, 98336, 260167, 262617, 314113, 817863, 817924, 818333, 818474, 823887, 828667, 835386, 875614, 931117, 936417, 937383

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OFFSET

1,1

COMMENTS

9949370777987917 is the smallest number k such that the smallest decimal digit of k^2 is 7. - Chai Wah Wu, Sep 08 2017

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..10001

EXAMPLE

26 is in the sequence because 26^2 = 676, the smallest decimal digit of which is 6.

MATHEMATICA

Select[Range[10^6], Min[IntegerDigits[#^2]]==6 &] (* Vincenzo Librandi, Sep 09 2017 *)

PROG