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A213008 as a triangular array

1
12
123
1345
13567
14791011
14810121314
1591416181920
1512172123252627
161321263032343536
16162533374143454647
1719324250545860626364

A213008 as a square array

111111111111
22334455667
34578912131619
569101417212532
710121621263342
11131823303750
141925324154
2026344358
27354560
364662
4763
64

A213008 as an upper right triangle

111111111111
22334455667
34578912131619
569101417212532
710121621263342
11131823303750
141925324154
2026344358
27354560
364662
4763
64

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)