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A257934 as a simple table

na(n)
01
11
22
34
48
514
626
748
889
9163
10300
11552
121016
131868
143436
156320
1611625
1721381
1839326
1972332
20133040
21244698
22450070
23827808
241522577
252800455
265150840
279473872
2817425168
2932049880
3058948920
31108423968
32199422769
33366795657
34674642394
351240860820
362282298872
374197802086
387720961778

[1,1,2,4,8,14,26,48,89,163,300,552,1016,1868,3436,
 6320,11625,21381,39326,72332,133040,244698,450070,
 827808,1522577,2800455,5150840,9473872,17425168,
 32049880,58948920,108423968,199422769,366795657,
 674642394,1240860820,2282298872,4197802086,
 7720961778]