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A247255 as a triangular array

1
11
301
6101
122001
2141001
38620001
6311310001
106165200001
1702773100001
272401142000001
4226316631000001
65392248420000001
98614134125310000001

A247255 as a square array

113612213863106170272422653986
101246111627406392141
1001235711162434
100012346812
1000012345
100000123
10000001
1000000
100000
10000
1000
100
10
1
113612213863106170272422653986
101246111627406392141
1001235711162434
100012346812
1000012345
100000123
10000001
1000000
100000
10000
1000
100
10
1