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A000126 as a simple table

na(n)
11
22
34
48
515
627
747
880
9134
10222
11365
12597
13973
141582
152568
164164
176747
1810927
1917691
2028636
2146346
2275002
23121369
24196393
25317785
26514202
27832012
281346240
292178279
303524547
315702855
329227432
3314930318
3424157782
3539088133
3663245949

[1,2,4,8,15,27,47,80,134,222,365,597,973,1582,
 2568,4164,6747,10927,17691,28636,46346,75002,
 121369,196393,317785,514202,832012,1346240,
 2178279,3524547,5702855,9227432,14930318,24157782,
 39088133,63245949]