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A006733 as a simple table

n a(n)
0 0
1 2
2 16
3 68
4 220
5 608
6 1520
7 3526
8 7756
9 16302
10 33172
11 65378
12 126224
13 237600
14 441776
15 802820
16 1451932
17 2563356
18 4544304
19 7818078
20 13684784
21 22938278
22 39986208
23 64996080
24 114280984
25 177912196
26 322438072
27 467942962
28 909533348
29 1162410740
30 2614286452
31 2595422914
32 7869393556
33 4348425126
34 25625330524
35 -1054012626
36 92617456680
37 -64842762130
38 373042426296

[0,2,16,68,220,608,1520,3526,7756,16302,33172,
 65378,126224,237600,441776,802820,1451932,2563356,
 4544304,7818078,13684784,22938278,39986208,
 64996080,114280984,177912196,322438072,467942962,
 909533348,1162410740,2614286452,2595422914,
 7869393556,4348425126,25625330524,-1054012626,
 92617456680,-64842762130,373042426296]

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Last modified April 23 09:48 EDT 2024. Contains 371905 sequences. (Running on oeis4.)