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”).

A352242 as a triangular array

7
5219
18911237
49635119661
107583256730491
205216751264837436127
35773024242517921161592169
582450474212332524161539772217
8991793668115616437531361971976271
133001190710432886972365575395224571204331

A352242 as a square array

7521894961075205235775824899113300
19112351832167530245047793611907
37196567126424254212681110432
613048371792332556168869
914361161241643757236
127592153931365575
16977219713952
2179762457
2711204
331
7521894961075205235775824899113300
19112351832167530245047793611907
37196567126424254212681110432
613048371792332556168869
914361161241643757236
127592153931365575
16977219713952
2179762457
2711204
331