A039365 - OEIS

A039365

Numbers whose base-9 representation has the same nonzero number of 1's and 2's.

11, 19, 83, 99, 102, 103, 104, 105, 106, 107, 110, 119, 128, 137, 146, 155, 163, 171, 174, 175, 176, 177, 178, 179, 190, 199, 208, 217, 226, 235, 254, 262, 335, 343, 416, 424, 497, 505, 578, 586, 659, 667, 731, 747, 750, 751, 752, 753, 754, 755, 758, 767

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..52.

MATHEMATICA

Select[Range[1000], DigitCount[#, 9, 1]==DigitCount[#, 9, 2]>0&] (* Harvey P. Dale, Jun 08 2022 *)

CROSSREFS

Cf. A007095.

Sequence in context: A106231 A107637 A229542 * A103201 A199338 A043188

Adjacent sequences: A039362 A039363 A039364 * A039366 A039367 A039368

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved