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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.

A339356 Maximum number of copies of a 123456 permutation pattern in an alternating (or zig-zag) permutation of length n + 9.

Table of values

n a(n)
1 16
2 32
3 144
4 256
5 688
6 1120
7 2352
8 3584
9 6496
10 9408
11 15456
12 21504
13 32928
14 44352
15 64416
16 84480
17 117744
18 151008
19 203632
20 256256
21 336336
22 416416
23 534352
24 652288
25 821184
26 990080
27 1226176
28 1462272
29 1785408
30 2108544
31 2542656
32 2976768
33 3550416
34 4124064
35 4870992
36 5617920
37 6577648

List of values

[16, 32, 144, 256, 688, 1120, 2352, 3584, 6496, 9408, 15456, 21504, 32928, 44352, 64416, 84480, 117744, 151008, 203632, 256256, 336336, 416416, 534352, 652288, 821184, 990080, 1226176, 1462272, 1785408, 2108544, 2542656, 2976768, 3550416, 4124064, 4870992, 5617920, 6577648]

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

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