login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Number of (undirected) paths in the grid graph P_5 X P_n.
2

%I #13 Jan 27 2023 13:32:24

%S 10,373,7119,111030,1530196,19506257,235936139,2746052608,31022271550,

%T 342198075407,3701853692717,39403644085768,413754416309036,

%U 4294547371071725,44133332753598489,449640869111701814,4546623490067918046,45670109992300898801

%N Number of (undirected) paths in the grid graph P_5 X P_n.

%H Andrew Howroyd, <a href="/A358801/b358801.txt">Table of n, a(n) for n = 1..200</a> (terms 1..24 from Seiichi Manyama)

%Y Row 5 of A288518.

%K nonn

%O 1,1

%A _Seiichi Manyama_, Dec 01 2022