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Search: id:A043243
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A043243 Numbers n such that 3 and 7 occur juxtaposed in the base 10 representation of n but not of n-1. +0
1
37, 73, 137, 173, 237, 273, 337, 370, 437, 473, 537, 573, 637, 673, 730, 773, 837, 873, 937, 973, 1037, 1073, 1137, 1173, 1237, 1273, 1337, 1370, 1437, 1473, 1537, 1573, 1637, 1673, 1730, 1773, 1837, 1873, 1937, 1973, 2037 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A055604 A135952 A039420 this_sequence A044023 A069204 A128388

Adjacent sequences: A043240 A043241 A043242 this_sequence A043244 A043245 A043246

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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