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A082016
Duplicate of A074135.
0
1, 2, 4, 3, 5, 7, 6, 8, 9, 13, 10, 11, 12, 14, 18, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26
OFFSET
1,2
CROSSREFS
Sequence in context: A258238 A166266 A011295 * A074135 A074146 A262478
KEYWORD
dead
STATUS
approved