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A085578 as a triangular array

1
22
333
4554
56665
688886
791191197
81112131312118
9121515141515129
10141719171719171410
1115182022182220181511
121720222424242422201712
13182324272725272724231813

A085578 as a square array

12345678910111213
235689111214151718
356811121517182023
4689131519202224
5811131417222427
69121517182427
7111519222425
81217202427
914182227
10152024
111723
1218
13
12345678910111213
235689111214151718
356811121517182023
4689131519202224
5811131417222427
69121517182427
7111519222425
81217202427
914182227
10152024
111723
1218
13