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A054887 as a simple table

na(n)
11
23
36
411
520
636
764
8113
9200
10354
11626
121107
131958
143464
156128
1610839
1719172
1833913
1959988
20106111
21187696
22332009
23587280
241038820
251837534
263250353
275749442
2810169998
2917989372
3031820803
3156286764
3299563792
33176115092

[1,3,6,11,20,36,64,113,200,354,626,1107,1958,3464,
 6128,10839,19172,33913,59988,106111,187696,332009,
 587280,1038820,1837534,3250353,5749442,10169998,
 17989372,31820803,56286764,99563792,176115092]