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A027293 as a triangular array

1
11
211
3211
53211
753211
11753211
1511753211
221511753211
30221511753211
4230221511753211
564230221511753211
77

A027293 as a square array

11235711152230425677
1123571115223042
11235711152230
112357111522
1123571115
11235711
112357
11235
1123
112
11
1

A027293 as an upper right triangle

11235711152230425677
1123571115223042
11235711152230
112357111522
1123571115
11235711
112357
11235
1123
112
11
1

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Last modified May 6 17:20 EDT 2024. Contains 372297 sequences. (Running on oeis4.)