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A044096
Numbers n such that string 3,4 occurs in the base 5 representation of n but not of n-1.
0
19, 44, 69, 94, 119, 144, 169, 194, 219, 244, 269, 294, 319, 344, 369, 394, 419, 444, 469, 519, 544, 569, 594, 619, 644, 669, 694, 719, 744, 769, 794, 819, 844, 869, 894, 919, 944, 969, 994, 1019, 1044, 1069, 1094, 1144, 1169
OFFSET
1,1
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 5], {3, 4}]>0, 1, 0], {n, 1500}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jul 13 2019 *)
CROSSREFS
Sequence in context: A229765 A058829 A063313 * A044477 A140680 A183632
KEYWORD
nonn,base
STATUS
approved