login

A185415 as a simple table

na(n)
11
20
31
42
50
61
70
88
90
101
1118
120
1320
140
151
160
17148
180
1940
200
211
22378
230
24658
250
2670
270
281
290
305040
310
322128
330
34112
350
361
3714562
380
3933992
400
415628
420
43168
440
451
460
47277164
480
49158480
500
5112936
520
53240
540
551

[1,0,1,2,0,1,0,8,0,1,18,0,20,0,1,0,148,0,40,0,1,
 378,0,658,0,70,0,1,0,5040,0,2128,0,112,0,1,14562,
 0,33992,0,5628,0,168,0,1,0,277164,0,158480,0,
 12936,0,240,0,1]