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A054968 formatted as a simple table:

n a(n)
5 4
6 13
7 28
8 52
9 91
10 154
11 256
12 421
13 688
14 1120
15 1819
16 2950
17 4780
18 7741
19 12532
20 20284
21 32827
22 53122
23 85960
24 139093
25 225064
26 364168
27 589243
28 953422
29 1542676
30 2496109
31 4038796
32 6534916
33 10573723
34 17108650
35 27682384
36 44791045
37 72473440
38 117264496
39 189737947

[4,13,28,52,91,154,256,421,688,1120,1819,2950,
 4780,7741,12532,20284,32827,53122,85960,139093,
 225064,364168,589243,953422,1542676,2496109,
 4038796,6534916,10573723,17108650,27682384,
 44791045,72473440,117264496,189737947]

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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