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A004736 as a triangular array

1
21
321
4321
54321
654321
7654321
87654321
987654321
10987654321
1110987654321
121110987654321
13121110987654321
1413121110987654321

A004736 as a square array

1234567891011121314
12345678910111213
123456789101112
1234567891011
12345678910
123456789
12345678
1234567
123456
12345
1234
123
12
1

A004736 as an upper right triangle

1234567891011121314
12345678910111213
123456789101112
1234567891011
12345678910
123456789
12345678
1234567
123456
12345
1234
123
12
1

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Last modified March 29 09:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)