cp's OEIS Frontend

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.

A361271 Number of 1342-avoiding odd Grassmannian permutations of size n.

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 6
5 9
6 19
7 25
8 44
9 54
10 85
11 100
12 146
13 167
14 231
15 259
16 344
17 380
18 489
19 534
20 670
21 725
22 891
23 957
24 1156
25 1234
26 1469
27 1560
28 1834
29 1939
30 2255
31 2375
32 2736
33 2872
34 3281
35 3434
36 3894
37 4065
38 4579
39 4769
40 5340
41 5550
42 6181
43 6412
44 7106
45 7359
46 8119
47 8395
48 9224
49 9524
50 10425

List of values

[0, 0, 1, 2, 6, 9, 19, 25, 44, 54, 85, 100, 146, 167, 231, 259, 344, 380, 489, 534, 670, 725, 891, 957, 1156, 1234, 1469, 1560, 1834, 1939, 2255, 2375, 2736, 2872, 3281, 3434, 3894, 4065, 4579, 4769, 5340, 5550, 6181, 6412, 7106, 7359, 8119, 8395, 9224, 9524, 10425]

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

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