login

A084639 as a simple table

na(n)
00
11
24
39
420
541
684
7169
8340
9681
101364
112729
125460
1310921
1421844
1543689
1687380
17174761
18349524
19699049
201398100
212796201
225592404
2311184809
2422369620
2544739241
2689478484
27178956969
28357913940
29715827881
301431655764
312863311529
325726623060
3311453246121

[0,1,4,9,20,41,84,169,340,681,1364,2729,5460,
 10921,21844,43689,87380,174761,349524,699049,
 1398100,2796201,5592404,11184809,22369620,
 44739241,89478484,178956969,357913940,715827881,
 1431655764,2863311529,5726623060,11453246121]