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”).

A330882 as a simple table

na(n)
01
12
22
34
42
54
64
732
814
928
108
1116
124
138
148
15176
1648
1796
1820
1940
208
2116
2216
23640
24140
25280
2648
2796
2816
2932
3032
311992
32376
33752
34112
35224
3632
3764
3864
395696
40960
411920

[1,2,2,4,2,4,4,32,14,28,8,16,4,8,8,176,48,96,20,
 40,8,16,16,640,140,280,48,96,16,32,32,1992,376,
 752,112,224,32,64,64,5696,960,1920]