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%I #3 Mar 30 2012 18:50:30
%S 1,1,1,1,1,1,1,4,4,1,1,19,8,19,1,1,107,17,17,107,1,1,39,181,17,181,39,
%T 1,1,293,479,218,218,479,293,1,1,621,1058,1351,436,1351,1058,621,1,1,
%U 5869,10327,4563,619,619,4563,10327,5869,1,1,6121,3685,7541,17677,619,17677
%N Numerators of triangular array: T(n,1)=T(n,n)=1/n and T(n,k)=T(n-1,k-1)+T(n-1,k), 1<k<n.
%e Triangle begins:.................. Numerators:
%e .............1/1.........................1
%e ..........1/2...1/2....................1...1
%e .......1/3...1/1...1/3...............1...1...1
%e ....1/4...4/3...4/3...1/4..........1...4...4...1
%e .1/5..19/12..8/3..19/12..1/5.....1..19...8..19...1.
%Y Cf. A007318, A080045.
%K nonn,tabl,frac
%O 1,8
%A _Reinhard Zumkeller_, Jan 21 2003
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