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A056953 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 7
5 13
6 34
7 73
8 209
9 501
10 1546
11 4051
12 13327
13 37633
14 130922
15 394353
16 1441729
17 4596553
18 17572114
19 58941091
20 234662231
21 824073141
22 3405357682
23 12470162233
24 53334454417
25 202976401213
26 896324308634
27 3535017524403
28 16083557845279
29 65573803186921

[1,1,2,3,7,13,34,73,209,501,1546,4051,13327,37633,
 130922,394353,1441729,4596553,17572114,58941091,
 234662231,824073141,3405357682,12470162233,
 53334454417,202976401213,896324308634,
 3535017524403,16083557845279,65573803186921]

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Last modified April 19 14:40 EDT 2014. Contains 240761 sequences.