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A152140 as a triangular array

1
01
001
0101
00101
010101
0020101
01020101
002020101
0103020101
00303020101
010403020101
0030503020101
01050503020101

A152140 as a square array

10000000000000
1010101010101
101020203030
10102030405
1010203050
101020305
10102030
1010203
101020
10102
1010
101
10
1

A152140 as an upper right triangle

10000000000000
1010101010101
101020203030
10102030405
1010203050
101020305
10102030
1010203
101020
10102
1010
101
10
1

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Last modified May 8 06:05 EDT 2024. Contains 372319 sequences. (Running on oeis4.)