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A130300 as a triangular array

1
31
831
20741
48151151
11231261661
2566357422271
57612712099642981
1280255247219163933791
281651150246638225613046101

A130300 as a square array

138204811225657612802816
137153163127255511
14112657120247502
15164299219466
162264163382
172993256
1837130
1946
110
1

A130300 as an upper right triangle

138204811225657612802816
137153163127255511
14112657120247502
15164299219466
162264163382
172993256
1837130
1946
110
1

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Last modified August 15 13:27 EDT 2020. Contains 336504 sequences. (Running on oeis4.)