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A117200 as a triangular array

1
-11
-101
1-101
00001
2-1-1001
0000001
-110-10001
10-1000001
0000-100001
00000000001
-321-10-1000001
0000000000001
000000-10000001
0000-10000000001
1

A117200 as a square array

1-1-11020-1100-30001
10-10-1010002000
100-100-1001000
1000-1000-1000
10000-10000-1
100000-1000
1000000-10
10000000
1000000
100000
10000
1000
100
10
1

A117200 as an upper right triangle

1-1-11020-1100-30001
10-10-1010002000
100-100-1001000
1000-1000-1000
10000-10000-1
100000-1000
1000000-10
10000000
1000000
100000
10000
1000
100
10
1

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Last modified October 23 17:37 EDT 2021. Contains 348215 sequences. (Running on oeis4.)