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A113686 as a triangular array

1
10
101
2010
20102
302020
4020203
50304030
604040305
8050606050
100608060507
120801009010070
1501001201201007011
18012016015

A113686 as a square array

111223456810121518
0000000000000
11122345681012
00000000000
2224468101216
000000000
3336691215
000000
5551010
0000
777
00
11
111223456810121518
0000000000000
11122345681012
00000000000
2224468101216
000000000
3336691215
000000
5551010
0000
777
00
11