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A060686
Duplicate of A004214.
0
1, 2, 4, 5, 7, 8, 10, 13, 15, 16, 20, 23, 25, 28, 31, 32, 37, 39, 40, 47, 52, 55, 58, 60, 63
OFFSET
1,2
CROSSREFS
Sequence in context: A245029 A027902 A067076 * A004214 A258376 A358353
KEYWORD
dead
STATUS
approved