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A039399
Numbers whose base-10 representation has the same nonzero number of 0's and 7's.
0
70, 107, 170, 207, 270, 307, 370, 407, 470, 507, 570, 607, 670, 701, 702, 703, 704, 705, 706, 708, 709, 710, 720, 730, 740, 750, 760, 780, 790, 807, 870, 907, 970, 1017, 1027, 1037, 1047, 1057, 1067, 1071, 1072, 1073, 1074, 1075, 1076, 1078, 1079
OFFSET
1,1
CROSSREFS
Sequence in context: A180274 A075004 A043222 * A044002 A117350 A004239
KEYWORD
nonn,base,easy
STATUS
approved