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A298290 as a simple table

na(n)
18
229
326
446
5130
6233
7448
8877
91605
103284
116774
1213516
1326780
1453260
15107224
16217210
17438939
18883313
191780573
203597643
217278676
2214737316
2329815736
2460315844
25122146302
26247456532
27501329145
281015919801
292058740283
304172450069

[8,29,26,46,130,233,448,877,1605,3284,6774,13516,
 26780,53260,107224,217210,438939,883313,1780573,
 3597643,7278676,14737316,29815736,60315844,
 122146302,247456532,501329145,1015919801,
 2058740283,4172450069]