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A296419 as a simple table

na(n)
11
21
34
41
510
650
71
820
9175
10980
111
1235
13490
144116
1524696
161
1756
181176
1914112
20116424
21731808
221
2384
242520
2541580
26457380
273737448
2824293412
291
30120
314950
32108900
331557270
3416195608
35131589315
36877262100
371
38165
399075
40259545
414723719
4261408347
43614083470
444971151900
4533803832920

[1,1,4,1,10,50,1,20,175,980,1,35,490,4116,24696,1,
 56,1176,14112,116424,731808,1,84,2520,41580,
 457380,3737448,24293412,1,120,4950,108900,1557270,
 16195608,131589315,877262100,1,165,9075,259545,
 4723719,61408347,614083470,4971151900,33803832920]