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A052540 as a simple table

na(n)
01
11
22
35
410
521
645
795
8201
9426
10902
111910
124045
138566
1418140
1538415
1681351
17172276
18364827
19772590
201636105
213464761
227337285
2315538085
2432904826
2569682176
26147565152
27312497045
28661771440
291401425856
302967783605
316284841605
3213309337626
3328185033001
3459687124002
35126398744025

[1,1,2,5,10,21,45,95,201,426,902,1910,4045,8566,
 18140,38415,81351,172276,364827,772590,1636105,
 3464761,7337285,15538085,32904826,69682176,
 147565152,312497045,661771440,1401425856,
 2967783605,6284841605,13309337626,28185033001,
 59687124002,126398744025]