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A307128 as a simple table

na(n)
01
11
22
36
415
540
6103
7266
8683
91753
104481
1111417
1228993
1373414
14185424
15467302
161175322
172950467
187393090
1918492029
2046173538
21115102596
22286482967
23711990108
241767048214
254379814978
2610842382074
2726808912074
2866212421302
29163351562975
30402575169429
31991119918949

[1,1,2,6,15,40,103,266,683,1753,4481,11417,28993,
 73414,185424,467302,1175322,2950467,7393090,
 18492029,46173538,115102596,286482967,711990108,
 1767048214,4379814978,10842382074,26808912074,
 66212421302,163351562975,402575169429,
 991119918949]