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A003730 as a simple table

na(n)
11
211
381
4666
55431
644466
7364061
82981201
924412606
10199912706
111637069691
1213405842666
13109779463516
14898976005896
157361648869421
1660284005131851
17493661316969811
184042556485091321
1933104199931650186

[1,11,81,666,5431,44466,364061,2981201,24412606,
 199912706,1637069691,13405842666,109779463516,
 898976005896,7361648869421,60284005131851,
 493661316969811,4042556485091321,
 33104199931650186]