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A143468 as a triangular array

1
-13
-105
0-307
-10009
1-3-50011
-10000013
000-700015
00-50000017
1-300-9000019
-100000000021

A143468 as a square array

1-1-10-11-1001-1
30-30-3000-30
500-500-500
7000-7000
90000-90
1100000
130000
15000
1700
190
21

A143468 as an upper right triangle

1-1-10-11-1001-1
30-30-3000-30
500-500-500
7000-7000
90000-90
1100000
130000
15000
1700
190
21

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Last modified September 2 13:09 EDT 2024. Contains 375613 sequences. (Running on oeis4.)