login

A027522 as a simple table

na(n)
11
21
34
49
5450
614700
723716
811025
95929
103025
1127225
1214400
1342688800
143870830656
159109748025
165288198400
171599516800
181903751424
1957588480576
2012696964358400
217957646064900
22138654025034817600
232784183915021140193408
241052240403785569432896

[1,1,4,9,450,14700,23716,11025,5929,3025,27225,
 14400,42688800,3870830656,9109748025,5288198400,
 1599516800,1903751424,57588480576,12696964358400,
 7957646064900,138654025034817600,
 2784183915021140193408,1052240403785569432896]