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A283330 as a simple table

na(n)
11
21
31
41
51
66
716
841
9106
10806
112311
126126
1316066
14122401
15351136
16931006
172441881
1818604041
1953370241
20141506681
21371149801
222827691726
238111925376
2421508084401
2556412327826
26429790538206
271232959286791
283269087322166
298574302679706
3065325334115481

[1,1,1,1,1,6,16,41,106,806,2311,6126,16066,122401,
 351136,931006,2441881,18604041,53370241,141506681,
 371149801,2827691726,8111925376,21508084401,
 56412327826,429790538206,1232959286791,
 3269087322166,8574302679706,65325334115481]