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”).

A368155 as a triangular array

1
13
237
39515
51526331
8304363-1563
135410487144-81127
2199203273115333-275255
34177416549609-9806-789511
55315811126311461260-7252043-20711023
895551573

A368155 as a square array

1123581321345589
33915305499177315555
7526431042034168111573
15363872735491263
31-151441156091146
63-81333-91260
127-275806-725
255-7892043
511-2071
1023
1123581321345589
33915305499177315555
7526431042034168111573
15363872735491263
31-151441156091146
63-81333-91260
127-275806-725
255-7892043
511-2071
1023