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A333731
Number of simple 5-regular bipartite graphs with 2n nodes.
2
0, 0, 0, 0, 1, 1, 4, 41, 1981, 304496, 78322916, 27033154065, 11934777413049, 6593485023089912, 4485517185017734885, 3707462300996644966161, 3680029088808704302571244, 4341813441626431900011624077, 6033239205199253768404631967656, 9792722283774379198364367866020815
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,7
LINKS
Table of n, a(n) for n=1..20.
FORMULA
Euler transform of A006825.
CROSSREFS
Column k=5 of A008327.
Sequence in context: A172496 A059730 A006825 * A326899 A022500 A320335
Adjacent sequences: A333728 A333729 A333730 * A333732 A333733 A333734
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Apr 03 2020
STATUS
approved

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Last modified November 9 03:16 EST 2024. Contains 377556 sequences.
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