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A243070 as a triangular array

1
21
421
3421
63421
683421
10683421
512683421
12516683421
99516683421
14129516683421
1020129516683421
221024129516683421
15281032129516683421
1818401032129516683421

A243070 as a square array

1243661051291410221518
12438612591220102818
124386165912241040
1243861659123210
12438616591232
124386165912
1243861659
124386165
12438616
124386
12438
1243
124
12
1

A243070 as an upper right triangle

1243661051291410221518
12438612591220102818
124386165912241040
1243861659123210
12438616591232
124386165912
1243861659
124386165
12438616
124386
12438
1243
124
12
1

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Last modified February 18 01:55 EST 2019. Contains 320237 sequences. (Running on oeis4.)