login

A266911 as a simple table

na(n)
01
11
22
33
42
52
660
73
810
942
1060
1130
12252
134
148
15231
16210
172
185460
1942
20660
211260
22840
23210
247956
25396
26440
27228
28120
2924
30720720
312145
32510
3314490
34180
35330
3617117100
3736036
38360
39378
4026180
413740
423483480
435460
4483720
455442360
461755600
472310
482187900
492652
5017160
5113860
523960
53440

[1,1,2,3,2,2,60,3,10,42,60,30,252,4,8,231,210,2,
 5460,42,660,1260,840,210,7956,396,440,228,120,24,
 720720,2145,510,14490,180,330,17117100,36036,360,
 378,26180,3740,3483480,5460,83720,5442360,1755600,
 2310,2187900,2652,17160,13860,3960,440]