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A290337 as a simple table

na(n)
12
24
311
428
537
667
7149
8284
9596
101179
112444
125023
1310103
1420577
1541746
1684860
17172501
18350392
19712597
201448463
212943959
225983960
2312162310
2424721031
2550246512
26102128407
27207584129
28421927877
29857596064
301743119352
313543000201
327201377180
3314637255611

[2,4,11,28,37,67,149,284,596,1179,2444,5023,10103,
 20577,41746,84860,172501,350392,712597,1448463,
 2943959,5983960,12162310,24721031,50246512,
 102128407,207584129,421927877,857596064,
 1743119352,3543000201,7201377180,14637255611]