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A003984 as a triangular array

0
11
212
3223
43234
543345
6543456
76544567
876545678
9876556789
1098765678910
1110987667891011
1211109876789101112
1312111098778

A003984 as a square array

012345678910111213
1123456789101112
22234567891011
333345678910
4444456789
555555678
66666667
7777777
888888
9999
101010
1111
12

A003984 as an upper right triangle

012345678910111213
1123456789101112
22234567891011
333345678910
4444456789
555555678
66666667
7777777
888888
9999
101010
1111
12

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)