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Search: id:A044070
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A044070 Numbers n such that string 2,1 occurs in the base 4 representation of n but not of n-1. +0
1
9, 25, 36, 41, 57, 73, 89, 100, 105, 121, 137, 144, 164, 169, 185, 201, 217, 228, 233, 249, 265, 281, 292, 297, 313, 329, 345, 356, 361, 377, 393, 400, 420, 425, 441, 457, 473, 484, 489, 505, 521, 537, 548, 553, 569, 576, 649 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A065772 A090333 A137190 this_sequence A044451 A114057 A031036

Adjacent sequences: A044067 A044068 A044069 this_sequence A044071 A044072 A044073

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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