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A301903 as a simple table

n a(n)
1 1
2 3
3 2
4 8
5 12
6 64
7 196
8 864
9 3236
10 13280
11 52260
12 210400
13 838180
14 3358176
15 13419044
16 53698016
17 214737444
18 859037152
19 3435930148
20 13744070112
21 54975406628
22 219903024608
23 879608603172
24 3518440005088
25 14073746039332
26 56295006526944

[1,3,2,8,12,64,196,864,3236,13280,52260,210400,
 838180,3358176,13419044,53698016,214737444,
 859037152,3435930148,13744070112,54975406628,
 219903024608,879608603172,3518440005088,
 14073746039332,56295006526944]

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Last modified January 29 01:42 EST 2020. Contains 331328 sequences. (Running on oeis4.)