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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.

A332409 a(n) = n!! mod Fibonacci(n).

Table of values

n a(n)
1 0
2 0
3 1
4 2
5 0
6 0
7 1
8 6
9 27
10 45
11 71
12 0
13 228
14 73
15 605
16 861
17 956
18 2376
19 1199
20 5235
21 7137
22 5017
23 21617
24 40320
25 49250
26 72900
27 94129
28 253071
29 125204
30 188760
31 786046
32 1041600
33 3306329
34 2717231
35 8692580
36 4869072
37 10661888
38 33618132
39 14333453
40 66880275
41 110783982

List of values

[0, 0, 1, 2, 0, 0, 1, 6, 27, 45, 71, 0, 228, 73, 605, 861, 956, 2376, 1199, 5235, 7137, 5017, 21617, 40320, 49250, 72900, 94129, 253071, 125204, 188760, 786046, 1041600, 3306329, 2717231, 8692580, 4869072, 10661888, 33618132, 14333453, 66880275, 110783982]

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

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