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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
OFFSET
0,3
COMMENTS
Positive multiples of 3 never appear in A128333. Does every other number eventually appear there?
CROSSREFS
Cf. A128333.
Sequence in context: A198661 A163485 A276011 * A088363 A300839 A143783
KEYWORD
sign
AUTHOR
Nick Hobson, Feb 28 2007
STATUS
approved