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A304389 as a simple table

na(n)
1230
2482
3986
41994
54010
68042
716106
832234
964490
10129002
11258026
12516074
131032170
142064362
154128746
168257514
1716515050
1833030122
1966060266
20132120554
21264241130
22528482282
231056964586
242113929194
254227858410
268455716842
2716911433706
2833822867434
2967645734890
30135291469802
31270582939626
32541165879274

[230,482,986,1994,4010,8042,16106,32234,64490,
 129002,258026,516074,1032170,2064362,4128746,
 8257514,16515050,33030122,66060266,132120554,
 264241130,528482282,1056964586,2113929194,
 4227858410,8455716842,16911433706,33822867434,
 67645734890,135291469802,270582939626,
 541165879274]