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A210553 as a triangular array

1
21
322
4353
54985
651415158
762024312613
87273554574621
983548851041088034
109446312517020919913955
1110548017525836040436624089
12116599

A210553 as a square array

123456789101112
1234567891011
25914202735445465
3815243548638099
515315485125175
82657104170258
1346108209360
2180199404
34139366
55240
89
123456789101112
1234567891011
25914202735445465
3815243548638099
515315485125175
82657104170258
1346108209360
2180199404
34139366
55240
89