cp's OEIS Frontend

A332762 Square array T(n,k), n >= 0, k >= 2, read by antidiagonals, where T(n,k) is the number of permutations of {k 1's, k 2's, ..., k n's} with the property that j's are equally spaced for j=1..n and the interval of j+1 is less than or equal to the interval of j for j=1..n-1.

%I A332762 #16 Mar 01 2020 03:15:37
%S A332762 1,1,1,1,1,5,1,1,4,33,1,1,4,18,329,1,1,4,16,124,3825,1,1,4,16,110,738,
%T A332762 57293,1,1,4,16,104,544,7464,977581,1,1,4,16,104,508,5444,55890,
%U A332762 19619645,1,1,4,16,104,484,5136,32520,668778,442155529
%N A332762 Square array T(n,k), n >= 0, k >= 2, read by antidiagonals, where T(n,k) is the number of permutations of {k 1's, k 2's, ..., k n's} with the property that j's are equally spaced for j=1..n and the interval of j+1 is less than or equal to the interval of j for j=1..n-1.
%e A332762 Square array begins:
%e A332762       1,    1,    1,    1,    1, ...
%e A332762       1,    1,    1,    1,    1, ...
%e A332762       5,    4,    4,    4,    4, ...
%e A332762      33,   18,   16,   16,   16, ...
%e A332762     329,  124,  110,  104,  104, ...
%e A332762    3825,  738,  544,  508,  484, ...
%e A332762   57293, 7464, 5444, 5136, 4968, ...
%Y A332762 Columns k=2..5 give A322178, A332748, A332752, A332773.
%Y A332762 T(n,n) gives A332784.
%Y A332762 T(n,n+1) gives A332783.
%K A332762 nonn,tabl
%O A332762 0,6
%A A332762 _Seiichi Manyama_, Feb 22 2020