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A137639 as a triangular array

1
21
301
5201
71001
1132001
15210001
226120001
3053100001
42921200001
569311000001
77166312000001

A137639 as a square array

1235711152230425677
102132659916
1002113236
100021113
10000211
1000002
100000
10000
1000
100
10
1

A137639 as an upper right triangle

1235711152230425677
102132659916
1002113236
100021113
10000211
1000002
100000
10000
1000
100
10
1

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Last modified June 4 11:04 EDT 2024. Contains 373096 sequences. (Running on oeis4.)