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A027447 as a triangular array

1
71
85194
415115379
1201937991489549144
1348946692059919364100
7263012689211284316417130676127003600
31449191227199621139334699178669891253802511025
3030039112335311652797137148112134141118712560962526582578400

A027447 as a square array

17854151201913489726301314491930300391
11911537994669268921122719912335311
437148920591284316211396527971
9549919641713346993714811
144364306761786692134141
10012700891251187125
360038025609625
11025265825
78400

A027447 as an upper right triangle

17854151201913489726301314491930300391
11911537994669268921122719912335311
437148920591284316211396527971
9549919641713346993714811
144364306761786692134141
10012700891251187125
360038025609625
11025265825
78400

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)