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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.

A067331 Convolution of Fibonacci F(n+1), n >= 0, with F(n+3), n >= 0.

Table of values

n a(n)
0 2
1 5
2 12
3 25
4 50
5 96
6 180
7 331
8 600
9 1075
10 1908
11 3360
12 5878
13 10225
14 17700
15 30509
16 52390
17 89664
18 153000
19 260375
20 442032
21 748775
22 1265832
23 2136000
24 3598250
25 6052061
26 10164540
27 17048641
28 28559450
29 47786400
30 79870428
31 133359715
32 222457608
33 370747675
34 617363100

List of values

[2, 5, 12, 25, 50, 96, 180, 331, 600, 1075, 1908, 3360, 5878, 10225, 17700, 30509, 52390, 89664, 153000, 260375, 442032, 748775, 1265832, 2136000, 3598250, 6052061, 10164540, 17048641, 28559450, 47786400, 79870428, 133359715, 222457608, 370747675, 617363100]

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

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