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A002741 as a simple table

na(n)
00
11
2-1
32
40
59
635
7230
81624
913209
10120287
111214674
1213469896
13162744945
142128047987
1529943053062
16451123462672
177245940789073
18123604151490591
192231697509543362
2042519034050101744
21852495597142800377
2217942811657908144163
23395553947953212635718
249114871523102565301544
25219135339782236105192745

[0,1,-1,2,0,9,35,230,1624,13209,120287,1214674,
 13469896,162744945,2128047987,29943053062,
 451123462672,7245940789073,123604151490591,
 2231697509543362,42519034050101744,
 852495597142800377,17942811657908144163,
 395553947953212635718,9114871523102565301544,
 219135339782236105192745]