login

A261685 as a simple table

na(n)
11
20
32
40
52
64
70
80
912
1012
110
120
138
1468
1544
160
170
182
19106
20406
21206
220
230
240
2588
261186
272644
281122
290
300
310
3232
331728
3412096
3519456
367008

[1,0,2,0,2,4,0,0,12,12,0,0,8,68,44,0,0,2,106,406,
 206,0,0,0,88,1186,2644,1122,0,0,0,32,1728,12096,
 19456,7008]