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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A362588 Triangle read by rows, T(n, k) = RisingFactorial(n - k, k) * FallingFactorial(n, k).

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%I A362588 #9 May 05 2023 07:44:34
%S A362588 1,1,0,1,2,0,1,6,12,0,1,12,72,144,0,1,20,240,1440,2880,0,1,30,600,
%T A362588 7200,43200,86400,0,1,42,1260,25200,302400,1814400,3628800,0,1,56,
%U A362588 2352,70560,1411200,16934400,101606400,203212800,0
%N A362588 Triangle read by rows, T(n, k) = RisingFactorial(n - k, k) * FallingFactorial(n, k).
%F A362588 T(n, k) = (-1)^k * Pochhammer(n - k, k) * Pochhammer(-n, k).
%F A362588 T(n, k) = binomial(n, k) * binomial(n - 1, k) * (k!)^2.
%e A362588 Table T(n, k) begins:
%e A362588 [0] 1;
%e A362588 [1] 1,  0;
%e A362588 [2] 1,  2,    0;
%e A362588 [3] 1,  6,   12,     0;
%e A362588 [4] 1, 12,   72,   144,       0;
%e A362588 [5] 1, 20,  240,  1440,    2880,        0;
%e A362588 [6] 1, 30,  600,  7200,   43200,    86400,         0;
%e A362588 [7] 1, 42, 1260, 25200,  302400,  1814400,   3628800,         0;
%e A362588 [8] 1, 56, 2352, 70560, 1411200, 16934400, 101606400, 203212800, 0;
%p A362588 T := (n, k) -> (-1)^k*pochhammer(n - k, k)*pochhammer(-n, k):
%p A362588 for n from 0 to 6 do seq(T(n, k), k=0..n) od;
%Y A362588 Cf. A228229 (row sums), A002378 (column 1), A010790 (subdiagonal).
%K A362588 nonn,tabl
%O A362588 0,5
%A A362588 _Peter Luschny_, May 05 2023