A039376 Numbers whose base-9 representation has the same nonzero number of 2's and 7's.

25, 65, 106, 146, 169, 178, 196, 205, 214, 223, 225, 226, 228, 229, 230, 231, 233, 241, 268, 308, 349, 389, 430, 470, 511, 551, 569, 578, 585, 586, 588, 589, 590, 591, 593, 596, 605, 614, 623, 641, 673, 713, 754, 794, 835, 875, 898, 907, 925, 934, 943

Offset

1,1

Links

Table of n, a(n) for n=1..51.

Mathematica

Select[Range[1000], DigitCount[#, 9, 2]==DigitCount[#, 9, 7]>0&] (* Harvey P. Dale, Apr 04 2020 *)

Crossrefs

Cf. A007095.

Sequence in context: A285579 A050993 A121387 * A043199 A043979 A033682

Adjacent sequences: A039373 A039374 A039375 * A039377 A039378 A039379

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved