A031489 Numbers whose base-8 representation has 2 more 0's than 7's.

64, 128, 192, 256, 320, 384, 513, 514, 515, 516, 517, 518, 520, 528, 536, 544, 552, 560, 576, 640, 704, 768, 832, 896, 1025, 1026, 1027, 1028, 1029, 1030, 1032, 1040, 1048, 1056, 1064, 1072, 1088

Offset

1,1

Links

Table of n, a(n) for n=1..37.

Mathematica

Select[Range[1100], DigitCount[#, 8, 0]==DigitCount[#, 8, 7]+2&] (* Harvey P. Dale, Apr 22 2024 *)

Crossrefs

Cf. A007094.

Sequence in context: A152691 A043422 A044568 * A043335 A023708 A172420

Adjacent sequences: A031486 A031487 A031488 * A031490 A031491 A031492

Keyword

nonn,base,changed

Author

Clark Kimberling

Status

approved