OFFSET
1,1
LINKS
Hricha Acharya and Zilin Jiang, Beyond the Classification Theorem of Cameron, Goethals, Seidel, and Shult, arXiv:2404.13136 [math.CO], 2024.
Eric Weisstein's World of Mathematics, Maverick Graph.
FORMULA
lambda^* = rho^(1/2) + rho^(-1/2), where rho is the plastic constant with decimal digits A060006.
EXAMPLE
2.019800887090467337...
MATHEMATICA
RealDigits[Root[-1 + 4 #^2 - 5 #^4 + #^6& , 2, 0], 10, 87][[1]]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Eric W. Weisstein, Apr 24 2024
STATUS
approved