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A180956 as a triangular array

1
21
821
16821
12816821
25612816821
102425612816821
2048102425612816821
327682048102425612816821
65536327682048102425612816821
262144655363276820481024256128

A180956 as a square array

12816128256102420483276865536262144
12816128256102420483276865536
128161282561024204832768
1281612825610242048
128161282561024
12816128256
12816128
128
12
1

A180956 as an upper right triangle

12816128256102420483276865536262144
12816128256102420483276865536
128161282561024204832768
1281612825610242048
128161282561024
12816128256
12816128
128
12
1

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Last modified April 18 06:12 EDT 2024. Contains 371769 sequences. (Running on oeis4.)