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A039414
Numbers whose base-10 representation has the same nonzero number of 2's and 7's.
0
27, 72, 127, 172, 207, 217, 237, 247, 257, 267, 270, 271, 273, 274, 275, 276, 278, 279, 287, 297, 327, 372, 427, 472, 527, 572, 627, 672, 702, 712, 720, 721, 723, 724, 725, 726, 728, 729, 732, 742, 752, 762, 782, 792, 827, 872, 927, 972, 1027, 1072
OFFSET
1,1
CROSSREFS
Sequence in context: A219130 A116302 A181976 * A043237 A044017 A147651
KEYWORD
nonn,base,easy
STATUS
approved