cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A171648 a(1) = 1, a(n) = 2*a(n-1) if n is even; a(n) = a(n-1)*Fibonacci((n+1)/2)/Fibonacci((n-1)/2) if n is odd.

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 8
6 16
7 24
8 48
9 80
10 160
11 256
12 512
13 832
14 1664
15 2688
16 5376
17 8704
18 17408
19 28160
20 56320
21 91136
22 182272
23 294912
24 589824
25 954368
26 1908736
27 3088384
28 6176768
29 9994240
30 19988480
31 32342016
32 64684032
33 104660992
34 209321984
35 338690048
36 677380096
37 1096024064

List of values

[1, 2, 2, 4, 8, 16, 24, 48, 80, 160, 256, 512, 832, 1664, 2688, 5376, 8704, 17408, 28160, 56320, 91136, 182272, 294912, 589824, 954368, 1908736, 3088384, 6176768, 9994240, 19988480, 32342016, 64684032, 104660992, 209321984, 338690048, 677380096, 1096024064]