login

A354706 as a simple table

na(n)
12
25
313
418
532
641
753
872
989
10113
11128
12149
13181
14205
15242
16265
17313
18338
19373
20421
21450
22512
23545
24584
25648
26697

[2,5,13,18,32,41,53,72,89,113,128,149,181,205,242,
 265,313,338,373,421,450,512,545,584,648,697]