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A012700 formatted as a simple table:

n a(n)
0 2
1 -3
2 16
3 -50
4 608
5 -4284
6 53856
7 -517824
8 7365312
9 -93511440
10 1542037440
11 -24197565600
12 452937477120
13 -8397165641760
14 176769352058880
15 -3770083289172480
16 88455117393715200
17 -2127638031857717760

[2,-3,16,-50,608,-4284,53856,-517824,7365312,
 -93511440,1542037440,-24197565600,452937477120,
 -8397165641760,176769352058880,-3770083289172480,
 88455117393715200,-2127638031857717760]

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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