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A126038 Index where n first appears in A128333, or -1 if n never appears. 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; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

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

LINKS

Table of n, a(n) for n=0..63.

CROSSREFS

Sequence in context: A198661 A163485 A276011 * A088363 A300839 A143783

Adjacent sequences:  A126035 A126036 A126037 * A126039 A126040 A126041

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified May 25 06:37 EDT 2020. Contains 334581 sequences. (Running on oeis4.)