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A008927 as a simple table

na(n)
11
21
31
42
53
66
710
820
936
1070
11130
12252
13475
14916
151745
163362
176438
1812410
1923852
2046020
2188697
22171339
23330938
24640189
251238751
262399677
274650819
289021862
2917510819
3034013311
3166106491
32128568177
33250191797
34487168941
35949133722

[1,1,1,2,3,6,10,20,36,70,130,252,475,916,1745,
 3362,6438,12410,23852,46020,88697,171339,330938,
 640189,1238751,2399677,4650819,9021862,17510819,
 34013311,66106491,128568177,250191797,487168941,
 949133722]