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A026764 as a simple table

na(n)
01
11
22
34
47
516
627
766
8109
9279
10453
111201
121922
135242
148284
1523133
1636155
17103015
18159435
19462269
20709246
212088146
223178992
239487405
2414343567
2543328580
2665099245
27198798447
28297015765
29915950385
301361584755
314236322720

[1,1,2,4,7,16,27,66,109,279,453,1201,1922,5242,
 8284,23133,36155,103015,159435,462269,709246,
 2088146,3178992,9487405,14343567,43328580,
 65099245,198798447,297015765,915950385,1361584755,
 4236322720]