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A195965 as a simple table

na(n)
11
21
37
421
548
6118
7222
8527
91370
103336
117717
1217897
1341296
1498631
15236602
16554717
171304489
183078621
197242849
2017138388
2140496052
2295320672
23224944921
24530817100
251251705990
262954749967
276970501275
2816438448824
2938788768683
3091508873268

[1,1,7,21,48,118,222,527,1370,3336,7717,17897,
 41296,98631,236602,554717,1304489,3078621,7242849,
 17138388,40496052,95320672,224944921,530817100,
 1251705990,2954749967,6970501275,16438448824,
 38788768683,91508873268]