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A154698 as a triangular array

2
55
139613
351170117035
9712948393121294897
275142170986760986760142170275
79315853682207790047364480220779001585368793
23151800975047099934018464490001846449000470999340180097502315

A154698 as a square array

251335972757932315
596117012948142170158536818009750
1311703931298676022077900470999340
3512948986760473644801846449000
97142170220779001846449000
2751585368470999340
79318009750
2315

A154698 as an upper right triangle

251335972757932315
596117012948142170158536818009750
1311703931298676022077900470999340
3512948986760473644801846449000
97142170220779001846449000
2751585368470999340
79318009750
2315

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Last modified July 29 15:02 EDT 2024. Contains 374734 sequences. (Running on oeis4.)