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A002741 as a simple table

n a(n)
0 0
1 1
2 -1
3 2
4 0
5 9
6 35
7 230
8 1624
9 13209
10 120287
11 1214674
12 13469896
13 162744945
14 2128047987
15 29943053062
16 451123462672
17 7245940789073
18 123604151490591
19 2231697509543362
20 42519034050101744
21 852495597142800377
22 17942811657908144163
23 395553947953212635718
24 9114871523102565301544
25 219135339782236105192745

[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]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)