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A278986 as a triangular array

0
10
110
1410
18410
11614410
1324114410
1641225114410
11283651875114410
125610947152025114410
1512328127958552025114410
110249842110513845876202511441

A278986 as a square array

011111111111
01481632641282565121024
0141441122365109432819842
0141451187715279511051
01414512028553845
0141451202876
0141451202
0141451
01414
014
01
011111111111
01481632641282565121024
0141441122365109432819842
0141451187715279511051
01414512028553845
0141451202876
0141451202
0141451
01414
014
01