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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.

A024551 a(n) = floor(a(n-1)/(sqrt(5) - 2)) for n > 0 and a(0) = 1.

Table of values

n a(n)
0 1
1 4
2 16
3 67
4 283
5 1198
6 5074
7 21493
8 91045
9 385672
10 1633732
11 6920599
12 29316127
13 124185106
14 526056550
15 2228411305
16 9439701769
17 39987218380
18 169388575288
19 717541519531
20 3039554653411
21 12875760133174
22 54542595186106
23 231046140877597

List of values

[1, 4, 16, 67, 283, 1198, 5074, 21493, 91045, 385672, 1633732, 6920599, 29316127, 124185106, 526056550, 2228411305, 9439701769, 39987218380, 169388575288, 717541519531, 3039554653411, 12875760133174, 54542595186106, 231046140877597]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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