%I #11 Aug 27 2019 02:57:07
%S 1,1,1,1,3,1,1,15,2,1,1,35,3,5,1,1,315,4,35,3,1,1,693,5,105,6,7,1,1,
%T 3003,6,1155,10,63,4,1,1,6435,7,3003,15,231,10,9,1,1,109395,8,15015,
%U 21,3003,20,99,5,1,1,230945,9,36465,28,9009,35,429,15,11,1
%N Numerators of inverse unimodal analog of binomial coefficients: binomial(n,m) = Sum_{k=0..n-m} a(2*k+m-1, 2*k).
%H G. C. Greubel, <a href="/A072285/b072285.txt">Rows n = 0..100 of triangle, flattened</a>
%F a(n, m) = binomial(n-m/2+1, n-m+1) - binomial(n-m/2, n-m+1).
%t a[n_, m_]:= Binomial[n -m/2 +1, n-m+1] - Binomial[n -m/2, n-m+1]; Flatten[Table[Numerator[a[n, m]], {n, 0, 11}, {m, 0, n}]]
%o (PARI) a(n,m) = binomial(n-m/2, n-m);
%o for(n=0,10, for(m=0,n, print1(numerator(a(n,m)), ", "))) \\ _G. C. Greubel_, Aug 26 2019
%o (Sage) [[numerator( binomial(n-m/2, n-m) ) for m in (0..n)] for n in (0..11)] # _G. C. Greubel_, Aug 26 2019
%Y Cf. A072286, A071922.
%K nonn,easy,frac,tabl
%O 0,5
%A Michele Dondi (bik.mido(AT)tiscalinet.it), Jul 11 2002