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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.

A238802 Number T(n,k) of standard Young tableaux with n cells where k is the length of the maximal consecutive sequence 1,2,...,k in the first column; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 1
5 1
6 0
7 2
8 1
9 1
10 0
11 5
12 3
13 1
14 1
15 0
16 13
17 8
18 3
19 1
20 1
21 0
22 38
23 24
24 9
25 3
26 1
27 1
28 0
29 116
30 74
31 28
32 9
33 3
34 1
35 1
36 0
37 382
38 246
39 93
40 29
41 9
42 3
43 1
44 1
45 0
46 1310
47 848
48 321
49 98
50 29
51 9
52 3
53 1
54 1
55 0
56 4748
57 3088
58 1168
59 350
60 99
61 29
62 9
63 3
64 1
65 1
66 0
67 17848
68 11644
69 4404
70 1302
71 356
72 99
73 29
74 9
75 3
76 1
77 1

List of values

[1, 0, 1, 0, 1, 1, 0, 2, 1, 1, 0, 5, 3, 1, 1, 0, 13, 8, 3, 1, 1, 0, 38, 24, 9, 3, 1, 1, 0, 116, 74, 28, 9, 3, 1, 1, 0, 382, 246, 93, 29, 9, 3, 1, 1, 0, 1310, 848, 321, 98, 29, 9, 3, 1, 1, 0, 4748, 3088, 1168, 350, 99, 29, 9, 3, 1, 1, 0, 17848, 11644, 4404, 1302, 356, 99, 29, 9, 3, 1, 1]