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A255604 as a triangular array

0
11
341
6962
101615103
15252723144
2136434132196
274961645843247
35648493907755309
438111012713012098693711
52100139166178173154123844413
62121172

A255604 as a square array

01361015212735435262
149162536496481100121
161527436184110139172
21023416493127166
314325890130178
4194377120173
6245598154
73069123
93784
1144
13
01361015212735435262
149162536496481100121
161527436184110139172
21023416493127166
314325890130178
4194377120173
6245598154
73069123
93784
1144
13