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A195339 as a simple table

na(n)
01
14
216
362
4239
5920
63540
713620
852401
9201604
10775636
112984122
1211480879
1344170640
14169938680
15653808840
162515413201
179677604804
1837232862856
19143246816182
20551116641919
212120323237160
228157566453420
2331384785713660
24120747379738401

[1,4,16,62,239,920,3540,13620,52401,201604,775636,
 2984122,11480879,44170640,169938680,653808840,
 2515413201,9677604804,37232862856,143246816182,
 551116641919,2120323237160,8157566453420,
 31384785713660,120747379738401]