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A039453
Numbers whose base-11 representation has the same nonzero number of 1's and 7's.
0
18, 78, 128, 150, 161, 172, 183, 194, 198, 200, 201, 202, 203, 204, 206, 207, 208, 216, 227, 238, 260, 320, 381, 441, 502, 562, 623, 683, 744, 804, 848, 858, 860, 861, 862, 863, 864, 866, 867, 868, 870, 881, 892, 903, 914, 936, 947, 958, 986, 1046
OFFSET
1,1
MATHEMATICA
Select[Range[1200], DigitCount[#, 11, 1]==DigitCount[#, 11, 7]>0&] (* Harvey P. Dale, May 02 2022 *)
CROSSREFS
Sequence in context: A229714 A100187 A197886 * A342560 A219144 A063495
KEYWORD
nonn,base,easy
STATUS
approved