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A128741 as a triangular array

1
21
631
201141
72421751
274166722461
10866753071113271
4438280913225061604181
1857011913575222967752205191
791745131925274104183692112729262101
342738223977112054

A128741 as a square array

1262072274108644381857079174342738
13114216667528091191351319223977
1417723071322575225274112054
1524111506229610418
16321607753692
17412201127
1851292
1962
110
1

A128741 as an upper right triangle

1262072274108644381857079174342738
13114216667528091191351319223977
1417723071322575225274112054
1524111506229610418
16321607753692
17412201127
1851292
1962
110
1

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Last modified January 17 09:54 EST 2020. Contains 330949 sequences. (Running on oeis4.)