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A307738 as a simple table

na(n)
01
11
21
31
41
51
63
74
87
918
1036
1166
12157
13329
14728
151611
163655
178062
1818154
1940358
2089807
21199778
22444419
23984422
242183461
254827756
2610651083
2723465459
2851576034
29113092423
30247546849
31540538832
321177836149
332560897979
345555722749
3512025952101
3625976048200

[1,1,1,1,1,1,3,4,7,18,36,66,157,329,728,1611,3655,
 8062,18154,40358,89807,199778,444419,984422,
 2183461,4827756,10651083,23465459,51576034,
 113092423,247546849,540538832,1177836149,
 2560897979,5555722749,12025952101,25976048200]