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A126038 Index where n first appears in A128333, or -1 if n never appears. +0
3
0, 1, 3, -1, 2, 15, -1, 4, 17, -1, 14, 6, -1, 11, 182, -1, 16, 8, -1, 21, 13, -1, 5, 145, -1, 18, 10, -1, 181, 23, -1, 349, 41, -1, 7, 147, -1, 178, 20, -1, 12, 346, -1, 183, 25, -1, 144, 56, -1, 188, 30, -1, 9, 149, -1, 48, 180, -1, 22, 317, -1, 141, 348, -1 (list; graph; listen)
OFFSET

0,3

COMMENT

Positive multiples of 3 never appear in A128333. Does every other number eventually appear there?

CROSSREFS

Sequence in context: A145463 A144107 A163485 this_sequence A088363 A143783 A146524

Adjacent sequences: A126035 A126036 A126037 this_sequence A126039 A126040 A126041

KEYWORD

sign

AUTHOR

Nick Hobson (nickh(AT)qbyte.org), Feb 28 2007

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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