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A209701 as a triangular array

1
02
025
03712
04112329
0516417070
062266140204169
072999247455577408
083714140187514231597985
094619361315292965432143482378
0105625689524955549

A209701 as a square array

10000000000
22345678910
5711162229374656
1223416699141193256
2970140247401613895
7020445587515292495
169577142329655549
40815974321
9854348
2378

A209701 as an upper right triangle

10000000000
22345678910
5711162229374656
1223416699141193256
2970140247401613895
7020445587515292495
169577142329655549
40815974321
9854348
2378

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Last modified September 24 14:46 EDT 2021. Contains 347643 sequences. (Running on oeis4.)