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”).

A207358 as a triangular array

3
99
258125
6962562569
1904761124684761190
5233610024413424413436100523
144027352947524841221866047524842735291440
39652073600924385196072113136072113139243851920736003965
10918

A207358 as a square array

3925691905231440396510918
9816254761361002735292073600
2562512468244134475248492438519
69476124413412218660607211313
190361004752484607211313
52327352992438519
14402073600
3965
3925691905231440396510918
9816254761361002735292073600
2562512468244134475248492438519
69476124413412218660607211313
190361004752484607211313
52327352992438519
14402073600
3965