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A043944 Numbers k such that 1 and 7 occur juxtaposed in the base-8 representation of k but not of k+1. 0
15, 57, 79, 127, 143, 185, 207, 249, 271, 313, 335, 377, 399, 441, 463, 505, 527, 569, 591, 639, 655, 697, 719, 761, 783, 825, 847, 889, 911, 953, 1023, 1039, 1081, 1103, 1151, 1167, 1209, 1231, 1273, 1295, 1337, 1359, 1401 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Cf. A007094.
Sequence in context: A184231 A039341 A043164 * A140379 A020222 A256867
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified February 29 18:12 EST 2024. Contains 370428 sequences. (Running on oeis4.)