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A156919 as a triangular array

1
21
4101
860361
162965161161
321328516835083581
64566442960642402112010861
1282348832006490056066088011863232721
256958722225728

A156919 as a square array

1248163264128256
11060296132856642348895872
1365165168429603200642225728
1116350864240900560
135821120660880
11086118632
13272
1

A156919 as an upper right triangle

1248163264128256
11060296132856642348895872
1365165168429603200642225728
1116350864240900560
135821120660880
11086118632
13272
1

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Last modified October 16 20:34 EDT 2018. Contains 316275 sequences. (Running on oeis4.)