%I #7 May 30 2023 20:23:50

%S 1,3,28,455,10626,324632,12271512,553270671,28987537150,1731030945644,

%T 116068178638776,8634941152058949,705873715441872264,

%U 62895036884524942320,6067037854078498539696,629921975126394617164575,70043473196734767582082230

%N Main diagonal of table A060543; a(n) = C((n+1)^2-1, n*(n+1)).

%F a(n) = A060545(n+1). - _R. J. Mathar_, Aug 24 2008

%o (PARI) a(n)=binomial((n+1)^2-1,n*(n+1))

%Y Cf. A060545, A108267, A060543, A108289.

%K nonn

%O 0,2

%A _Paul D. Hanna_, May 31 2005