login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A125153 as a triangular array

1
42
1363
4020105
1216030157
3641829145228
109354627313668259
32801640820410205762811
9841492024601230615230863412
29524147627381369018456912591023814

A125153 as a square array

14134012136410933280984129524
2620601825461640492014762
310309127382024607381
5154513641012303690
722682056151845
82576230691
92886259
1134102
1238
14
14134012136410933280984129524
2620601825461640492014762
310309127382024607381
5154513641012303690
722682056151845
82576230691
92886259
1134102
1238
14