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A245103
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Number of (2n+1)-node rooted trees of height n.
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3
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1, 1, 4, 18, 93, 498, 2744, 15349, 86802, 494769, 2837412, 16351036, 94599339, 549118128, 3196397701, 18651028188, 109057492901, 638863803720, 3748605725140, 22027421351633, 129606128716906, 763484925360476, 4502370205339221, 26577052185126059
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OFFSET
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0,3
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LINKS
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FORMULA
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a(n) ~ c * d^n / sqrt(n), where d = 6.0313827950978605329935... (same as for A245102 and A339440), c = 0.14566140512597547487... . - Vaclav Kotesovec, Jul 12 2014
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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