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A278147 as a triangular array

8
018
19032
033050
3400072
052073098
530740990128
0750100000162
7601010001630200
01020131016402010242
1030001650202000288
013301660203024402890338
13401670204

A278147 as a square array

801903405307601030134
18033052075010201330
32000740101000167
500730100013101660
720990001650204
980001640203
128016302020
16202010244
200000
2420289
2880
338
801903405307601030134
18033052075010201330
32000740101000167
500730100013101660
720990001650204
980001640203
128016302020
16202010244
200000
2420289
2880
338