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A166139 as a triangular array

1
21
301
1201
50001
132001
7000001
11020001
103000001
1500200001
110000000001
111302000001
13000000000001

A166139 as a square array

123151711111113
102030105010
10020030010
1000200030
100002000
10000020
1000000
100000
10000
1000
100
10
1

A166139 as an upper right triangle

123151711111113
102030105010
10020030010
1000200030
100002000
10000020
1000000
100000
10000
1000
100
10
1

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)