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A298368 as a triangular array

0
00
001
0024
004816
006122436
00918365481
0012244872108144
0016326496144192256
00204080120180240320400
002550100150225300400500625

A298368 as a square array

00000000000
0000000000
1246912162025
48121824324050
162436486480100
36547296120150
81108144180225
144192240300
256320400
400500
625
00000000000
0000000000
1246912162025
48121824324050
162436486480100
36547296120150
81108144180225
144192240300
256320400
400500
625