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A202135 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 10
5 28
6 84
7 260
8 818
9 2609
10 8434
11 27622
12 91524
13 306270
14 1033364
15 3510960
16 12000898
17 41239249
18 142387668
19 493732424
20 1718653462
21 6003501630
22 21037928794
23 73937288814
24 260544327156
25 920376228329
26 3258619058158
27 11561493797242
28 41100002807572

[1,1,2,4,10,28,84,260,818,2609,8434,27622,91524,
 306270,1033364,3510960,12000898,41239249,
 142387668,493732424,1718653462,6003501630,
 21037928794,73937288814,260544327156,920376228329,
 3258619058158,11561493797242,41100002807572]

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Last modified October 21 23:13 EDT 2014. Contains 248381 sequences.