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.

A136587 Triangle of coefficients of even modified recursive orthogonal Hermite polynomials given in Hochstadt's book:P(x, n) = x*P(x, n - 1) - n*P(x, n - 2) ;A137286; P2(x,n)=P(x,n)+P(x,2*n): second type.

Table of values

n a(n)
1 2
2 -2
3 1
4 1
5 6
6 0
7 -8
8 0
9 1
10 -48
11 -5
12 87
13 1
14 -20
15 0
16 1
17 392
18 0
19 -984
20 0
21 346
22 0
23 -35
24 0
25 1
26 -3840
27 33
28 12645
29 -14
30 -6090
31 1
32 938
33 0
34 -54
35 0
36 1
37 46032
38 0
39 -187338
40 0
41 114745
42 0
43 -23813
44 0
45 2070
46 0
47 -77
48 0
49 1
50 -645120
51 -279
52 3133935
53 185
54 -2336040
55 -27
56 611415
57 1
58 -71280
59 0
60 3993
61 0
62 -104
63 0
64 1
65 10322304
66 0
67 -58438830
68 0

List of values

[2, -2, 1, 1, 6, 0, -8, 0, 1, -48, -5, 87, 1, -20, 0, 1, 392, 0, -984, 0, 346, 0, -35, 0, 1, -3840, 33, 12645, -14, -6090, 1, 938, 0, -54, 0, 1, 46032, 0, -187338, 0, 114745, 0, -23813, 0, 2070, 0, -77, 0, 1, -645120, -279, 3133935, 185, -2336040, -27, 611415, 1, -71280, 0, 3993, 0, -104, 0, 1, 10322304, 0, -58438830, 0]