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A298537 as a simple table

na(n)
11
21
32
43
56
610
725
849
9127
10291
11766
121843
135003
1412487
1534151
1687983
17242088
18634848
191763749
204688677
2113085621
2235241441
2398752586
24268282856
25755353825
262067175933
275837592853
2816087674276
2945550942142
30126186554309
31358344530763
32997171512999

[1,1,2,3,6,10,25,49,127,291,766,1843,5003,12487,
 34151,87983,242088,634848,1763749,4688677,
 13085621,35241441,98752586,268282856,755353825,
 2067175933,5837592853,16087674276,45550942142,
 126186554309,358344530763,997171512999]