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A219231 as a simple table

na(n)
01
11
22
35
415
547
6160
7554
81987
97243
1026873
11100930
12383412
131469673
145679033
1522095308
1686489211
17340360513
181345814572
195344184197
2021303295069
2185216434084
22341960332173
231376212103798
245553269024152
2522463340663474
2691071265881382
27369996643180885
281506118767637576

[1,1,2,5,15,47,160,554,1987,7243,26873,100930,
 383412,1469673,5679033,22095308,86489211,
 340360513,1345814572,5344184197,21303295069,
 85216434084,341960332173,1376212103798,
 5553269024152,22463340663474,91071265881382,
 369996643180885,1506118767637576]