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A036261 as a triangular array

1
12
102
1224
12022
120024
1200022
12000024
120000026
1022222242
10020202046
100022002224
1000020002022
10000022220024

A036261 as a square array

11111111111111
2022222200000
220000020000
42000022000
2200020200
420022220
22020002
4222002
640202
24222
6200
420
22
4
11111111111111
2022222200000
220000020000
42000022000
2200020200
420022220
22020002
4222002
640202
24222
6200
420
22
4