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%I #12 Dec 05 2021 10:38:04
%S 1,12,5,144,120,25,1728,2160,900,125,20736,34560,21600,6000,625,
%T 248832,518400,432000,180000,37500,3125,2985984,7464960,7776000,
%U 4320000,1350000,225000,15625,35831808,104509440,130636800,90720000,37800000,9450000,1312500,78125
%N Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*5^j.
%H B. N. Cyvin, J. Brunvoll, and S. J. Cyvin, <a href="http://match.pmf.kg.ac.rs/electronic_versions/Match34/match34_109-121.pdf">Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons</a>, Match, No. 34 (Oct 1996), 109-121.
%o (Python)
%o from sympy import binomial
%o def T(i, j): return binomial(i, j)*12**(i-j)*5**j
%o print([T(i, j) for i in range(8) for j in range(i+1)]) # _Michael S. Branicky_, Dec 05 2021
%K nonn,tabl,easy
%O 0,2
%A _N. J. A. Sloane_.
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