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A002988 as a simple table

na(n)
01
11
21
30
41
51
62
73
86
910
1021
1139
1282
13167
14360
15766
161692
173726
188370
1918866
2043029
2198581
22227678
23528196
241232541
252888142
266798293
2716061348
2838086682
2990607902
30216230205
31517482053
321241778985
332987268628
347203242490

[1,1,1,0,1,1,2,3,6,10,21,39,82,167,360,766,1692,
 3726,8370,18866,43029,98581,227678,528196,1232541,
 2888142,6798293,16061348,38086682,90607902,
 216230205,517482053,1241778985,2987268628,
 7203242490]