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A051450 as a simple table

n a(n)
1 1
2 2
3 5
4 12
5 30
6 76
7 195
8 504
9 1309
10 3410
11 8900
12 23256
13 60813
14 159094
15 416325
16 1089648
17 2852242
18 7466468
19 19546175
20 51170460
21 133962621
22 350713222
23 918170280
24 2403786672
25 6293172025
26 16475700746
27 43133883845
28 112925875764

[1,2,5,12,30,76,195,504,1309,3410,8900,23256,
 60813,159094,416325,1089648,2852242,7466468,
 19546175,51170460,133962621,350713222,918170280,
 2403786672,6293172025,16475700746,43133883845,
 112925875764]

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Last modified January 22 22:16 EST 2020. Contains 331166 sequences. (Running on oeis4.)