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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.

A124313 Pentanacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) + a(n-5), starting 1,0,0,0,1.

Table of values

n a(n)
1 1
2 0
3 0
4 0
5 1
6 2
7 3
8 6
9 12
10 24
11 47
12 92
13 181
14 356
15 700
16 1376
17 2705
18 5318
19 10455
20 20554
21 40408
22 79440
23 156175
24 307032
25 603609
26 1186664
27 2332920
28 4586400
29 9016625
30 17726218
31 34848827
32 68510990
33 134689060
34 264791720
35 520566815
36 1023407412

List of values

[1, 0, 0, 0, 1, 2, 3, 6, 12, 24, 47, 92, 181, 356, 700, 1376, 2705, 5318, 10455, 20554, 40408, 79440, 156175, 307032, 603609, 1186664, 2332920, 4586400, 9016625, 17726218, 34848827, 68510990, 134689060, 264791720, 520566815, 1023407412]

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

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