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A109771 formatted as a simple table:

n a(n)
0 1
1 3
2 -4
3 12
4 -44
5 180
6 -788
7 3612
8 -17116
9 83172
10 -412196
11 2075436
12 -10586892
13 54595476
14 -284157492
15 1490774076
16 -7875206076
17 41854313412
18 -223636052036
19 1200637707852
20 -6473448634348
21 35037238641780
22 -190299310403924
23 1036863750837852
24 -5665846701859484

[1,3,-4,12,-44,180,-788,3612,-17116,83172,-412196,
 2075436,-10586892,54595476,-284157492,1490774076,
 -7875206076,41854313412,-223636052036,
 1200637707852,-6473448634348,35037238641780,
 -190299310403924,1036863750837852,
 -5665846701859484]

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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