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A290396 as a simple table

n a(n)
0 13
1 55
2 277
3 1513
4 8593
5 49825
6 292417
7 1729153
8 10275073
9 61254145
10 365945857
11 2189371393
12 13111037953
13 78565515265
14 470990340097
15 2824331231233
16 16939544543233
17 101611496669185
18 609565899227137
19 3656983075356673
20 21940249178406913
21 131634897988091905
22 789782999624318977

[13,55,277,1513,8593,49825,292417,1729153,
 10275073,61254145,365945857,2189371393,
 13111037953,78565515265,470990340097,
 2824331231233,16939544543233,101611496669185,
 609565899227137,3656983075356673,
 21940249178406913,131634897988091905,
 789782999624318977]

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Last modified October 17 16:18 EDT 2018. Contains 316285 sequences. (Running on oeis4.)