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A049735 as a triangular array

1
55
13913
29212129
4937253749
815745455781
1138969616989113
14912197818197121149
197161129109101109129161197
253213177145137137145177213253

A049735 as a square array

1513294981113149197253
5921375789121161213
132125456997129177
2937456181109145
49576981101137
818997109137
113121129145
149161177
197213
253
1513294981113149197253
5921375789121161213
132125456997129177
2937456181109145
49576981101137
818997109137
113121129145
149161177
197213
253