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A300427 as a triangular array

0
11
131
210102
33053303
596272272965
83071390222713903078
1398171791820518205717998113
2131373704215035224019615035237042313721
3410034191135124054131751013175101

A300427 as a square array

0112358132134
13103096307981313710034
110532721390717937042191135
2302722227182051503521240541
3961390182052401963175101
530771791503523175101
898137042
133137
21
0112358132134
13103096307981313710034
110532721390717937042191135
2302722227182051503521240541
3961390182052401963175101
530771791503523175101
898137042
133137
21