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A043982
Numbers k such that 3 and 5 occur juxtaposed in the base-9 representation of k but not of k+1.
0
32, 48, 113, 129, 194, 210, 275, 296, 356, 372, 440, 453, 518, 534, 599, 615, 680, 696, 761, 777, 842, 858, 923, 939, 1004, 1025, 1085, 1101, 1169, 1182, 1247, 1263, 1328, 1344, 1409, 1425, 1490, 1506, 1571, 1587, 1652, 1668
OFFSET
1,1
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {3, 5}]>0 || SequenceCount[ IntegerDigits[n, 9], {5, 3}]>0, 1, 0], {n, 1700}], {1, 0}][[;; , 1]] (* Harvey P. Dale, Jul 21 2024 *)
CROSSREFS
Cf. A007095.
Sequence in context: A114437 A039379 A043202 * A236330 A045023 A222300
KEYWORD
nonn,base
STATUS
approved