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A221787 as a triangular array

0
00
000
0100
03000
085100
0212416000
05514217341100
01448401325744105000
0377491915936136824131288100
09872870418779425253810970219998735000
02584167344

A221787 as a square array

000000000000
0013821551443779872584
000524142840491928704167344
00116173132515936187794
0004174413682252538
0011054131109702
00028819998
001735
000
00
0

A221787 as an upper right triangle

000000000000
0013821551443779872584
000524142840491928704167344
00116173132515936187794
0004174413682252538
0011054131109702
00028819998
001735
000
00
0

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)