A291641 Numbers k such that 2 is the smallest decimal digit of k^3.

3, 9, 14, 18, 29, 32, 35, 38, 62, 65, 66, 72, 78, 132, 133, 142, 144, 154, 155, 166, 177, 178, 188, 196, 198, 203, 282, 286, 288, 295, 296, 298, 305, 307, 322, 323, 328, 337, 357, 359, 362, 364, 375, 377, 382, 404, 412, 425, 444, 453, 463, 607, 609, 616, 632

Offset

1,1

Links

Table of n, a(n) for n=1..55.

Example

38 is in the sequence because 38^3 = 54872, the smallest decimal digit of which is 2.

Mathematica

Select[Range[700], Min[IntegerDigits[#^3]]==2&] (* Harvey P. Dale, Feb 23 2023 *)

Prog

(PARI) select(k->vecmin(digits(k^3))==2, vector(1000, k, k))

Crossrefs

Cf. A291639, A291640, A291642, A291643, A291644.

Sequence in context: A358271 A310324 A092476 * A071346 A103813 A001968

Adjacent sequences: A291638 A291639 A291640 * A291642 A291643 A291644

Keyword

nonn,base

Author

Colin Barker, Aug 28 2017

Status

approved