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”).

A179957 as a simple table

na(n)
01
11
20
30
40
50
60
70
82
972
101496
1125384
12399848
136231544
1499133496
151634227958
1628120703888
17506599465896
189562489659952
19189055933191880
203911226769004280

[1,1,0,0,0,0,0,0,2,72,1496,25384,399848,6231544,
 99133496,1634227958,28120703888,506599465896,
 9562489659952,189055933191880,3911226769004280]