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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.

A093127 Triangle read by rows: differences of Narayana numbers.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 1
5 5
6 1
7 9
8 3
9 1
10 14
11 14
12 1
13 20
14 40
15 4
16 1
17 27
18 90
19 30
20 1
21 35
22 175
23 125
24 5
25 1
26 44
27 308
28 385
29 55
30 1
31 54
32 504
33 980
34 315
35 6
36 1
37 65
38 780
39 2184
40 1274
41 91
42 1
43 77
44 1155
45 4410
46 4116
47 686
48 7
49 1
50 90
51 1650
52 8250
53 11340
54 3528
55 140
56 1
57 104
58 2288
59 14520
60 27720
61 14112
62 1344
63 8

List of values

[1, 1, 1, 2, 1, 5, 1, 9, 3, 1, 14, 14, 1, 20, 40, 4, 1, 27, 90, 30, 1, 35, 175, 125, 5, 1, 44, 308, 385, 55, 1, 54, 504, 980, 315, 6, 1, 65, 780, 2184, 1274, 91, 1, 77, 1155, 4410, 4116, 686, 7, 1, 90, 1650, 8250, 11340, 3528, 140, 1, 104, 2288, 14520, 27720, 14112, 1344, 8]