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”).

A366445 as a triangular array

1
-11
-202
-1-102
-40004
2-2-2002
-6000006
-1-10-20004
-20-4000006
4-400-400004
-1000000000010
22-2-40-2000004

A366445 as a square array

1-1-2-1-42-6-1-24-102
10-10-20-10-402
200-200-400-2
2000-2000-4
40000-400
200000-2
600000
40000
6000
400
100
4
1-1-2-1-42-6-1-24-102
10-10-20-10-402
200-200-400-2
2000-2000-4
40000-400
200000-2
600000
40000
6000
400
100
4