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%I #10 Oct 04 2020 19:16:37
%S 1,3,10,67,627,7781,117652,2097159,43046725,1000000009,25937424606,
%T 743008370699,23298085122487,793714773254157,29192926025390632,
%U 1152921504606846991,48661191875666868489,2185911559738696531985
%N Final entry in n-th row of triangle in A080524.
%F For odd n, a(n) = n^(n-1) + (n-1)/2; for even n, a(n) = n^(n-1) + n - 1. Alternatively, a(n) = n^(n-1) + (n-1)/(1 + (n mod 2)). - _Max Alekseyev_, Oct 23 2008
%t Table[If[OddQ[n],n^(n-1)+(n-1)/2,n^(n-1)+n-1],{n,20}] (* _Harvey P. Dale_, Oct 04 2020 *)
%o (PARI) { a(n) = n^(n-1)+(n-1)/(n%2 + 1) } \\ _Max Alekseyev_, Oct 23 2008
%Y Cf. A080524, A080525.
%K nonn
%O 1,2
%A _Amarnath Murthy_, Mar 21 2003
%E More terms and formula from _Max Alekseyev_, Oct 23 2008
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