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Search: id:A044451
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A044451 Numbers n such that string 2,1 occurs in the base 4 representation of n but not of n+1. +0
1
9, 25, 39, 41, 57, 73, 89, 103, 105, 121, 137, 159, 167, 169, 185, 201, 217, 231, 233, 249, 265, 281, 295, 297, 313, 329, 345, 359, 361, 377, 393, 415, 423, 425, 441, 457, 473, 487, 489, 505, 521, 537, 551, 553, 569, 639, 649 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A044070 A147199 A147403 this_sequence A114057 A031036 A051132

Adjacent sequences: A044448 A044449 A044450 this_sequence A044452 A044453 A044454

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

page 1

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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