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A044038 Numbers n such that 7 and 8 occur juxtaposed in the base 10 representation of n but not of n+1. 0
78, 87, 178, 187, 278, 287, 378, 387, 478, 487, 578, 587, 678, 687, 778, 789, 879, 887, 978, 987, 1078, 1087, 1178, 1187, 1278, 1287, 1378, 1387, 1478, 1487, 1578, 1587, 1678, 1687, 1778, 1789, 1879, 1887, 1978, 1987, 2078 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..41.

CROSSREFS

Sequence in context: A246487 A039435 A043258 * A025386 A045193 A214462

Adjacent sequences:  A044035 A044036 A044037 * A044039 A044040 A044041

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 18 14:59 EST 2019. Contains 329262 sequences. (Running on oeis4.)