login

A077002 as a simple table

na(n)
11
21
31
43
510
645
7253
81770
914028
10125751
111256905
1213825911
13165902220
142156701326
1530193705191
16452904989670
177246477931241
18123190111062756
192217421939553376
2042131016700673761
21842620333202031306

[1,1,1,3,10,45,253,1770,14028,125751,1256905,
 13825911,165902220,2156701326,30193705191,
 452904989670,7246477931241,123190111062756,
 2217421939553376,42131016700673761,
 842620333202031306]