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A039414 Numbers n such that representation in base 10 has 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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..50.

CROSSREFS

Sequence in context: A219130 A116302 A181976 * A043237 A044017 A147651

Adjacent sequences:  A039411 A039412 A039413 * A039415 A039416 A039417

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified April 7 00:47 EDT 2020. Contains 333291 sequences. (Running on oeis4.)