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A181850 as a triangular array

1
23
378
4121819
525404849
62777101111112
763129225260272273
868248408568616630631
910536980111261370143314491450
101156251401229328783228330833263327

A181850 as a square array

12345678910
371225276368105115
8184077129248369625
19481012254088011401
4911126056811262293
11227261613702878
27363014333228
63114493308
14503326
3327

A181850 as an upper right triangle

12345678910
371225276368105115
8184077129248369625
19481012254088011401
4911126056811262293
11227261613702878
27363014333228
63114493308
14503326
3327

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Last modified April 20 15:37 EDT 2024. Contains 371844 sequences. (Running on oeis4.)