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A168611 as a simple table

n a(n)
0 -3
1 -1
2 5
3 23
4 77
5 239
6 725
7 2183
8 6557
9 19679
10 59045
11 177143
12 531437
13 1594319
14 4782965
15 14348903
16 43046717
17 129140159
18 387420485
19 1162261463
20 3486784397
21 10460353199
22 31381059605
23 94143178823
24 282429536477
25 847288609439

[-3,-1,5,23,77,239,725,2183,6557,19679,59045,
 177143,531437,1594319,4782965,14348903,43046717,
 129140159,387420485,1162261463,3486784397,
 10460353199,31381059605,94143178823,282429536477,
 847288609439]

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Last modified May 23 12:41 EDT 2024. Contains 372763 sequences. (Running on oeis4.)