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Number of simple paths from (1, 1) to (n, 4) on an n X 4 grid with king moves allowed.
2

%I #14 Apr 18 2022 10:14:46

%S 1,116,2922,96371,3764367,150610151,5898799685,229260056150,

%T 8913331166213,346912968530666,13505399293115778,525732956071093698,

%U 20464530153147155981,796592566402543482684,31007930721872464811580,1207007982256603680132971,46983727059243543906960086

%N Number of simple paths from (1, 1) to (n, 4) on an n X 4 grid with king moves allowed.

%H Andrew Howroyd, <a href="/A193170/b193170.txt">Table of n, a(n) for n = 1..200</a>

%Y Row 4 of A329118.

%K nonn,walk

%O 1,2

%A _Matías Benzo_, Jul 17 2011

%E Offset changed and terms a(7) and beyond from _Andrew Howroyd_, Nov 05 2019