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A348463
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Size of largest bipartite biregular Moore graph of diameter 6 and degrees n and n.
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2
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OFFSET
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2,1
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COMMENTS
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18660 <= a(7) <= 18662, a(8) = 39216, a(9) = 74898, a(10) = 132860.
Table 3 from these references gives the size of the largest bipartite biregular Moore graph of diameter 3 and degrees n and n, and appears to match 2*A002061.
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LINKS
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FORMULA
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Empirical observation: a(n) = 2*(A152031(n-1) + 1) matches terms a(2)-a(6) and a(8)-a(10). - Hugo Pfoertner, Oct 31 2021
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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