login

A106372 as a simple table

na(n)
21
32
46
512
620
760
8147
9384
10896
11360
121540
132760
142304
1511016
1613860
176720
18123060
19255024
20658370
211422720
221425606
231179360
242920500
2512252240
269989280
2724227280
28242573760
2968424048
30990208128
31410810400
32602751600

[1,2,6,12,20,60,147,384,896,360,1540,2760,2304,
 11016,13860,6720,123060,255024,658370,1422720,
 1425606,1179360,2920500,12252240,9989280,24227280,
 242573760,68424048,990208128,410810400,602751600]