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A354408 as a triangular array

0
11
242
13131313
8082808280
579579579579579579
4738474047384752473847404738
4338743387433904338743387433904338743387
439792439794439792439794440192439794439792439794439792

A354408 as a square array

0121380579473843387439792
141382579474043387439794
21380579473843390439792
1382579475243387439794
80579473843387440192
579474043390439794
473843387439792
43387439794
439792
0121380579473843387439792
141382579474043387439794
21380579473843390439792
1382579475243387439794
80579473843387440192
579474043390439794
473843387439792
43387439794
439792