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A257791 as a triangular array

4
812
162420
32484028
6496805636
1281921601127244
2563843202241448852
51276864044828817610460
10241536128089657635220812068
2048307225601792115270441624013676

A257791 as a square array

4816326412825651210242048
1224489619238476815363072
20408016032064012802560
28561122244488961792
36721442885761152
4488176352704
52104208416
60120240
68136
76

A257791 as an upper right triangle

4816326412825651210242048
1224489619238476815363072
20408016032064012802560
28561122244488961792
36721442885761152
4488176352704
52104208416
60120240
68136
76

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)