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A149210 as a simple table

na(n)
01
11
24
310
440
5138
6551
72157
88810
936647
10154078
11661375
122854646
1312490169
1455043299
15244367746
161093384878
174915059946
1822237882646
19101035126126
20461173650726
212113656372476
229720476876090
2344867012962344
24207692597912237
25964303906233908
264489064030758398
2720948595168627176

[1,1,4,10,40,138,551,2157,8810,36647,154078,
 661375,2854646,12490169,55043299,244367746,
 1093384878,4915059946,22237882646,101035126126,
 461173650726,2113656372476,9720476876090,
 44867012962344,207692597912237,964303906233908,
 4489064030758398,20948595168627176]