A062884 When expressed in base 3 and then interpreted in base 7, is a multiple of the original number.

0, 1, 2, 4, 8, 10, 16, 20, 21, 32, 40, 50, 80, 100, 150, 160, 210, 320, 338, 400, 450, 800, 882, 1014, 1040, 1554, 1600, 4662, 5350, 8636, 10000, 13986, 16050, 25908, 28392, 38766, 48150, 55672, 84250, 97062, 126802, 167016, 187824, 339188, 380406, 449400, 501048

Offset

1,3

Links

Table of n, a(n) for n=1..47.

Example

8 in base 3 is 22, which interpreted in base 7 is 16 = 2*8.

Mathematica

Join[{0}, Select[Range[100000], Divisible[FromDigits[IntegerDigits[#, 3], 7], #]&]] (* Harvey P. Dale, Jul 06 2019 *)

Crossrefs

Sequence in context: A352203 A125732 A032533 * A026169 A177931 A060378

Adjacent sequences: A062881 A062882 A062883 * A062885 A062886 A062887

Keyword

base,nonn

Author

Erich Friedman, Jul 21 2001

Extensions

Offset changed to 1 by Georg Fischer, Mar 03 2023

More terms from Amiram Eldar, Mar 03 2023

Status

approved