login

A262450 as a simple table

na(n)
12
23
35
49
518
635
769
8137
9274
10547
111093
122185
134370
148739
1517477
1634953
1769906
18139811
19279621
20559241
211118482
222236963
234473925
248947849
2517895698
2635791395
2771582789
28143165577
29286331154
30572662307
311145324613
322290649225
334581298450

[2,3,5,9,18,35,69,137,274,547,1093,2185,4370,8739,
 17477,34953,69906,139811,279621,559241,1118482,
 2236963,4473925,8947849,17895698,35791395,
 71582789,143165577,286331154,572662307,1145324613,
 2290649225,4581298450]