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A043234 Numbers n such that 2 and 4 occur juxtaposed in the base 10 representation of n but not of n-1. +0
1
24, 42, 124, 142, 224, 240, 324, 342, 420, 442, 524, 542, 624, 642, 724, 742, 824, 842, 924, 942, 1024, 1042, 1124, 1142, 1224, 1240, 1324, 1342, 1420, 1442, 1524, 1542, 1624, 1642, 1724, 1742, 1824, 1842, 1924, 1942, 2024 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A077095 A111948 A039411 this_sequence A044014 A087093 A092399

Adjacent sequences: A043231 A043232 A043233 this_sequence A043235 A043236 A043237

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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