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A171416 as a simple table

na(n)
01
11
22
33
47
513
631
765
8156
9351
10849
111993
124866
1311733
1428921
1570997
16176560
17438979
181100302
192761797
206969909
2117625015
2244742636
23113822415
24290416803
25742486655
261902767481
274885201701
2812567065582
2932382099109
3083580301371

[1,1,2,3,7,13,31,65,156,351,849,1993,4866,11733,
 28921,70997,176560,438979,1100302,2761797,6969909,
 17625015,44742636,113822415,290416803,742486655,
 1902767481,4885201701,12567065582,32382099109,
 83580301371]