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A038228 as a triangular array

1
310
960100
272709001000
81108054001200010000
24340502700090000150000100000
72914580121500540000135000018000001000000
21875103051030028350009450000189000002100000010000000

A038228 as a square array

13927812437292187
1060270108040501458051030
100900540027000121500510300
100012000900005400002835000
1000015000013500009450000
100000180000018900000
100000021000000
10000000

A038228 as an upper right triangle

13927812437292187
1060270108040501458051030
100900540027000121500510300
100012000900005400002835000
1000015000013500009450000
100000180000018900000
100000021000000
10000000

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Last modified March 28 07:20 EDT 2024. Contains 371235 sequences. (Running on oeis4.)