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A356202
a(n) is the second component y of the distance vector (x,y), x >= y >= 0, between two nodes of an infinite square lattice of one-ohm resistors, such that the resistance R between the two nodes is as close as possible to n ohms, i.e., abs(R - n) is minimized. x is A356201(n).
4
0, 2, 8, 606, 24881, 903855, 18345919, 303176603, 7423167971, 247828120179, 6034957650107, 7948827377158
OFFSET
0,2
COMMENTS
If more than one solution exists, the one maximizing x and minimizing y is chosen.
EXAMPLE
See table in A356201.
PROG
(PARI) \\ using the function Rsqlatt(R) from program file linked in A356201
for (k=0, 11, print1(Rsqlatt(k)[2], ", ")) \\ Hugo Pfoertner, Sep 09 2022
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Hugo Pfoertner, Aug 01 2022
EXTENSIONS
a(9)-a(11) from Hugo Pfoertner, Aug 22 2022
STATUS
approved