
EXAMPLE

Square array A130462 begins:
(1), 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, ...;
(1), (2), 3, 4, 5, 6, 7, 8, 9, 10, ...;
(3), 7, (12), 18, 25, 33, 42, 52, ...;
(7), 25, 50, (83), 125, 177, 240, ...;
(25), 75, 200, 377, (617), 932, ...;
(75), 275, 652, 1584, 2919, (4759), ...; ...
where row n+1 equals the partial sums of the sequence resulting from removing the terms in the first column and main diagonal from row n.
