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A000858
Duplicate of A003436.
0
0, 1, 4, 31, 293, 3326, 44189, 673471, 11588884, 222304897, 4704612119
OFFSET
1,3
CROSSREFS
Sequence in context: A081054 A261053 A192407 * A003436 A307504 A371362
KEYWORD
dead
STATUS
approved