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A307240 as a simple table

na(n)
01
11
22
32
44
54
68
710
818
922
1038
1150
1284
13114
14186
15256
16406
17570
18896
191280
201986
212862
224394
236380
249730
2514224
2621582
2731690
2847872
2970544
30106248
31157016
32235930
33349382
34523976
35777144
361163882
371728396
382585802
393843568
405745510
418546218
4212767232
4319001168

[1,1,2,2,4,4,8,10,18,22,38,50,84,114,186,256,406,
 570,896,1280,1986,2862,4394,6380,9730,14224,21582,
 31690,47872,70544,106248,157016,235930,349382,
 523976,777144,1163882,1728396,2585802,3843568,
 5745510,8546218,12767232,19001168]