login

A007223 as a simple table

na(n)
21
32
48
524
685
7286
81008
93536
1012618
1145220
12163504
13594320
142173197
157983990
1629465440
17109174560
18405995326
191514797020
205669021488
2121275014800
2280047272578
23301892460012
241141069157408
254321730134624
2616399422757300

[1,2,8,24,85,286,1008,3536,12618,45220,163504,
 594320,2173197,7983990,29465440,109174560,
 405995326,1514797020,5669021488,21275014800,
 80047272578,301892460012,1141069157408,
 4321730134624,16399422757300]