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A290691 as a triangular array

1
02
113
0024
21135
100246
0311357
22002468
114113579
00300246810
322511357911
21140024681012
1003611

A290691 as a square array

1010210210321
210103210210
32101043210
4321010543
543210106
65432101
7654321
87654
9876
1098
1110
12
1010210210321
210103210210
32101043210
4321010543
543210106
65432101
7654321
87654
9876
1098
1110
12