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A143518 as a triangular array

0
01
001
0-100
00001
0-1-1000
0000001
00000000
00-1000000
0-100-100000
00000000001

A143518 as a square array

00000000000
10-10-1000-10
100-100-100
00000000
10000-10
000000
10000
0000
000
00
1

A143518 as an upper right triangle

00000000000
10-10-1000-10
100-100-100
00000000
10000-10
000000
10000
0000
000
00
1

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Last modified July 21 15:45 EDT 2024. Contains 374474 sequences. (Running on oeis4.)