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A356918 as a triangular array

0
20
420
6440
64240
864440
10866640
86626460
1088486640
121086866640
14121281210108660
8646246688120

A356918 as a square array

0246681081012148
0244686810126
04246688124
044624686
046688122
04466104
0666106
04686
0468
068
012
0
0246681081012148
0244686810126
04246688124
044624686
046688122
04466104
0666106
04686
0468
068
012
0