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A183811 as a simple table

na(n)
11
23
33
49
513
69
727
855
955
1027
1181
12237
13322
14237
1581
16243
171011
181953
191953
201011
21243
22729
234341
2411619
2516953
2611619
274341
28729
292187
3018567
3170044
32143191
33143191
3470044
3518567
362187
376561
3879605
39418925
401232595
411701473
421232595
43418925
4479605

[1,3,3,9,13,9,27,55,55,27,81,237,322,237,81,243,
 1011,1953,1953,1011,243,729,4341,11619,16953,
 11619,4341,729,2187,18567,70044,143191,143191,
 70044,18567,2187,6561,79605,418925,1232595,
 1701473,1232595,418925,79605]