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A054160 as a simple table

n a(n)
0 1
1 1
2 0
3 0
4 2
5 4
6 7
7 14
8 23
9 38
10 68
11 118
12 207
13 369
14 665
15 1198
16 2219
17 4081
18 7629
19 14266
20 26923
21 50874
22 96781
23 184270
24 352447
25 674971
26 1296453
27 2493302
28 4805387
29 9272067
30 17919557
31 34668386
32 67156731
33 130213775
34 252741245

[1,1,0,0,2,4,7,14,23,38,68,118,207,369,665,1198,
 2219,4081,7629,14266,26923,50874,96781,184270,
 352447,674971,1296453,2493302,4805387,9272067,
 17919557,34668386,67156731,130213775,252741245]

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Last modified October 24 06:16 EDT 2014. Contains 248502 sequences.