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A048809 as a simple table

na(n)
51
61
72
83
96
108
1115
1223
1339
1461
15102
16161
17265
18420
19682
201087
211753
222790
234476
247120
2511376
2618075
2728785
2845666
2972530
30114882
31182040
32287878
33455231
34718755
351134491
361788461
372818140
384436000
396978932
4010969695
4117232572
4227049320

[1,1,2,3,6,8,15,23,39,61,102,161,265,420,682,1087,
 1753,2790,4476,7120,11376,18075,28785,45666,72530,
 114882,182040,287878,455231,718755,1134491,
 1788461,2818140,4436000,6978932,10969695,17232572,
 27049320]