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A266078 as a simple table

na(n)
11
21
35
47
529
629
755
8115
9221
10443
11851
121659
133318
146531
1512883
1625491
1750374
1899493
19196918
20389027
21770195
221523153
233012689
245958639
2511790926
2623319020
2746141333
2891261509
29180569396
30357189221
31706693599
321397946605
332765830557
345471342440

[1,1,5,7,29,29,55,115,221,443,851,1659,3318,6531,
 12883,25491,50374,99493,196918,389027,770195,
 1523153,3012689,5958639,11790926,23319020,
 46141333,91261509,180569396,357189221,706693599,
 1397946605,2765830557,5471342440]