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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.

A020748 Pisot sequence T(4,10), a(n) = floor(a(n-1)^2/a(n-2)).

Table of values

n a(n)
0 4
1 10
2 25
3 62
4 153
5 377
6 928
7 2284
8 5621
9 13833
10 34042
11 83774
12 206159
13 507335
14 1248496
15 3072412
16 7560869
17 18606469
18 45788478
19 112680418
20 277294139
21 682390435
22 1679287948
23 4132543288
24 10169735361
25 25026602289
26 61587720810
27 151560619806
28 372974046999

List of values

[4, 10, 25, 62, 153, 377, 928, 2284, 5621, 13833, 34042, 83774, 206159, 507335, 1248496, 3072412, 7560869, 18606469, 45788478, 112680418, 277294139, 682390435, 1679287948, 4132543288, 10169735361, 25026602289, 61587720810, 151560619806, 372974046999]

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

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