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A121547 as a triangular array

0
01
044
0102010
020606020
03514021014035
05628056056028056
08450412601680126050484
01208402520420042002520840120
016513204620924011550924046201320165
19807920

A121547 as a square array

00000000001980
1410203556841201657920
420601402805048401320
1060210560126025204620
20140560168042009240
352801260420011550
5650425209240
848404620
1201320
165

A121547 as an upper right triangle

00000000001980
1410203556841201657920
420601402805048401320
1060210560126025204620
20140560168042009240
352801260420011550
5650425209240
848404620
1201320
165

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Last modified November 17 06:06 EST 2019. Contains 329217 sequences. (Running on oeis4.)