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A049834 as a triangular array

1
21
331
4241
54451
632361
7555571
84525481
963663691
105642465101
1176677667111
12643626346121
138776886778131

A049834 as a square array

12345678910111213
132435465768
14425536647
1535264637
165562766
17434728
1866668
195636
110747
11167
1128
113
1
12345678910111213
132435465768
14425536647
1535264637
165562766
17434728
1866668
195636
110747
11167
1128
113
1