A044114 - OEIS

A044114

Numbers n such that string 2,0 occurs in the base 6 representation of n but not of n-1.

12, 48, 72, 84, 120, 156, 192, 228, 264, 288, 300, 336, 372, 408, 432, 480, 504, 516, 552, 588, 624, 660, 696, 720, 732, 768, 804, 840, 876, 912, 936, 948, 984, 1020, 1056, 1092, 1128, 1152, 1164, 1200, 1236, 1272, 1308, 1344

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..44.

MATHEMATICA

Select[Range[1500], MemberQ[Partition[IntegerDigits[#, 6], 2, 1], {2, 0}] && !MemberQ[Partition[IntegerDigits[#-1, 6], 2, 1], {2, 0}]&] (* Harvey P. Dale, Nov 09 2011 *)

CROSSREFS

Sequence in context: A181925 A118903 A324747 * A323008 A371599 A379716

Adjacent sequences: A044111 A044112 A044113 * A044115 A044116 A044117

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved