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A170941 as a simple table

na(n)
01
11
21
32
45
513
637
7112
8363
91235
104427
1116526
1264351
13259471
141083935
154668704
1620732609
1794607409
18443476993
192130346450
2010482534517
2152740593933
22271186949333
231423127827792
247618169603035
2541554791114643
26230857090312059
271305086617517534

[1,1,1,2,5,13,37,112,363,1235,4427,16526,64351,
 259471,1083935,4668704,20732609,94607409,
 443476993,2130346450,10482534517,52740593933,
 271186949333,1423127827792,7618169603035,
 41554791114643,230857090312059,1305086617517534]