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A168560
Incorrect duplicate of A019446.
0
1, 2, 2, 3, 4, 4, 5, 5, 6, 10, 7, 8, 9, 9, 10, 10, 11, 12, 12, 13, 13
OFFSET
1,2
CROSSREFS
Cf. A019446.
Sequence in context: A175858 A272613 A245433 * A333942 A065361 A089792
KEYWORD
dead
STATUS
approved