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A084695 as a triangular array

1
13
248
1379
2681214
157111317
461012162224
3591115212329
248101420222832
1379131921273133
2681218202630323642
157111719252931354147

A084695 as a square array

112121432121
34365654365
87871098787
9121112111091211
1413161514131817
17222120192019
242322212625
2928273029
32313231
333635
4241
47
112121432121
34365654365
87871098787
9121112111091211
1413161514131817
17222120192019
242322212625
2928273029
32313231
333635
4241
47