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A002486 as a simple table

n a(n)
0 1
1 0
2 1
3 7
4 106
5 113
6 33102
7 33215
8 66317
9 99532
10 265381
11 364913
12 1360120
13 1725033
14 25510582
15 52746197
16 78256779
17 131002976
18 340262731
19 811528438
20 1963319607
21 4738167652
22 6701487259
23 567663097408
24 1142027682075
25 1709690779483
26 2851718461558
27 44485467702853

[1,0,1,7,106,113,33102,33215,66317,99532,265381,
 364913,1360120,1725033,25510582,52746197,78256779,
 131002976,340262731,811528438,1963319607,
 4738167652,6701487259,567663097408,1142027682075,
 1709690779483,2851718461558,44485467702853]

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Last modified February 14 17:44 EST 2016. Contains 268343 sequences.