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A081926 as a triangular array

1
211
31221
4132231
514233241
61524334251
7162534435261
817263544536271
91827364554637281
192837465564738291109
2938475665748392119128137

A081926 as a square array

1234567891929
11121314151617182838
212223242526273747
3132333435364656
41424344455565
515253546474
6162637383
71728292
8191119
109128
137

A081926 as an upper right triangle

1234567891929
11121314151617182838
212223242526273747
3132333435364656
41424344455565
515253546474
6162637383
71728292
8191119
109128
137

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)