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A308988 as a simple table

na(n)
11
22
36
426
540
694
7184
8350
9496
103390
113536
1245370
1382734
1499064
15357164
16840904
173880556
1827914936
1940517520
20104715206
211126506904
222084910530
232442825346
244332318176
256716598046
2617736392220
2718205380336
2830869303806
2968506021364
3078491213264
3185620067844

[1,2,6,26,40,94,184,350,496,3390,3536,45370,82734,
 99064,357164,840904,3880556,27914936,40517520,
 104715206,1126506904,2084910530,2442825346,
 4332318176,6716598046,17736392220,18205380336,
 30869303806,68506021364,78491213264,85620067844]