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A018900 as a triangular array

3
56
91012
17182024
3334364048
656668728096
129130132136144160192
257258260264272288320384
513514516520528544576640768
1025102610281032104010561088115212801536
20492050205220562064208021122176230425603072

A018900 as a square array

35917336512925751310252049
61018346613025851410262050
1220366813226051610282052
24407213626452010322056
488014427252810402064
9616028854410562080
19232057610882112
38464011522176
76812802304
15362560
3072

A018900 as an upper right triangle

35917336512925751310252049
61018346613025851410262050
1220366813226051610282052
24407213626452010322056
488014427252810402064
9616028854410562080
19232057610882112
38464011522176
76812802304
15362560
3072

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Last modified April 16 05:26 EDT 2021. Contains 343030 sequences. (Running on oeis4.)