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.

A243662 Triangle read by rows: the reversed x = 1+q Narayana triangle at m=2.

Table of values

n a(n)
1 1
2 3
3 1
4 12
5 8
6 1
7 55
8 55
9 15
10 1
11 273
12 364
13 156
14 24
15 1
16 1428
17 2380
18 1400
19 350
20 35
21 1
22 7752
23 15504
24 11628
25 4080
26 680
27 48
28 1
29 43263
30 100947
31 92169
32 41895
33 9975
34 1197
35 63
36 1
37 246675
38 657800
39 708400
40 396704
41 123970
42 21560
43 1960
44 80
45 1
46 1430715
47 4292145
48 5328180
49 3552120
50 1381380
51 318780
52 42504
53 3036
54 99
55 1

List of values

[1, 3, 1, 12, 8, 1, 55, 55, 15, 1, 273, 364, 156, 24, 1, 1428, 2380, 1400, 350, 35, 1, 7752, 15504, 11628, 4080, 680, 48, 1, 43263, 100947, 92169, 41895, 9975, 1197, 63, 1, 246675, 657800, 708400, 396704, 123970, 21560, 1960, 80, 1, 1430715, 4292145, 5328180, 3552120, 1381380, 318780, 42504, 3036, 99, 1]