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A270105 as a simple table

na(n)
00
11
23
39
417
532
656
791
8139
9211
10311
11443
12623
13857
141165
151570
162082
172728
183556
194582
205862
217458
229416
2311808
2414736
2518286
2622576
2727760
2833976
2941400
3050280
3160820
3273300
3388084
34105492
35125967
36150015
37178135
38210967
39249265
40293785
41345445
42405337

[0,1,3,9,17,32,56,91,139,211,311,443,623,857,1165,
 1570,2082,2728,3556,4582,5862,7458,9416,11808,
 14736,18286,22576,27760,33976,41400,50280,60820,
 73300,88084,105492,125967,150015,178135,210967,
 249265,293785,345445,405337]