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A135920 as a simple table

na(n)
01
11
22
37
437
5264
62433
727913
8386906
96346119
10121159373
112655174768
1266028903633
131845579100993
1457506847262162
151983312152411351
1675238783332550789
173122408658986242072
18141063757638078429489

[1,1,2,7,37,264,2433,27913,386906,6346119,
 121159373,2655174768,66028903633,1845579100993,
 57506847262162,1983312152411351,75238783332550789,
 3122408658986242072,141063757638078429489]