A049358 Digitally balanced numbers in base 7: equal numbers of 0's, 1's, ..., 6's.

123717, 123723, 123759, 123771, 123807, 123813, 124011, 124017, 124095, 124113, 124143, 124155, 124347, 124359, 124389, 124407, 124485, 124491, 124689, 124695, 124731, 124743, 124779, 124785, 125775, 125781, 125817, 125829, 125865, 125871, 126363, 126369

Offset

1,1

Comments

There are 4,320 terms with single numbers of the zero-to-six digits. - Harvey P. Dale, May 02 2025

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Example

123717 is 1023456 in base 7.

Mathematica

Select[Range[126000], Length[Union[DigitCount[#, 7]]]==1&] (* Vincenzo Librandi, Apr 18 2013 *)
FromDigits[IntegerDigits[#], 7]&/@Select[FromDigits/@Permutations[Range[0, 6]], IntegerLength[#]==7&] (* Harvey P. Dale, May 02 2025 *)

Crossrefs

Cf. A031443.

Row n = 7 of A378000.

Sequence in context: A077301 A371845 A209734 * A245682 A237322 A205655

Adjacent sequences: A049355 A049356 A049357 * A049359 A049360 A049361

Keyword

nonn,base

Author

Harvey P. Dale

Status

approved