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URL: https://oeis.org/A027093

⇱ A027093 - OEIS

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A027093
a(n) = A027082(n, 2n-6).
0
1, 1, 5, 17, 57, 190, 623, 2010, 6395, 20103, 62561, 193062, 591637, 1802551, 5465275, 16503365, 49665179, 149033583, 446131159, 1332749213, 3974445543, 11834777320, 35196098205, 104558824915, 310332568225, 920350334943
OFFSET
3,3
CROSSREFS
Sequence in context: A112044 A027030 A033538 * A027032 A027095 A027034
KEYWORD
nonn
STATUS
approved