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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.

A368032 Number of free linear midpoint-free polycubes of size n, identifying rotations and reflections.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 3
6 7
7 11
8 20
9 34
10 65
11 113
12 197
13 315
14 488
15 685
16 1002
17 1409
18 2019
19 2679
20 3667
21 4837
22 6558
23 8474
24 11018
25 13786
26 17882
27 22431
28 28918
29 36411
30 46905
31 59183
32 76343
33 96372
34 123464
35 153738
36 193710
37 237629
38 294513
39 357010
40 436593

List of values

[1, 1, 1, 2, 3, 7, 11, 20, 34, 65, 113, 197, 315, 488, 685, 1002, 1409, 2019, 2679, 3667, 4837, 6558, 8474, 11018, 13786, 17882, 22431, 28918, 36411, 46905, 59183, 76343, 96372, 123464, 153738, 193710, 237629, 294513, 357010, 436593]

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

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