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.

A373746 Triangle read by rows: the almost-Riordan array ( 1/(1-x) | 2/((1-x)*(1+x+sqrt(5*x^2-6*x+1))), (1-3*x-sqrt(5*x^2-6*x+1))/(2x) ).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 4
8 5
9 1
10 1
11 10
12 20
13 8
14 1
15 1
16 31
17 78
18 45
19 11
20 1
21 1
22 110
23 310
24 224
25 79
26 14
27 1
28 1
29 421
30 1264
31 1061
32 475
33 122
34 17
35 1
36 1
37 1686
38 5274
39 4922
40 2608
41 858
42 174
43 20
44 1
45 1
46 6961
47 22430
48 22648
49 13604
50 5356
51 1400
52 235
53 23
54 1
55 1
56 29392
57 96899
58 103978
59 68816
60 31072
61 9791
62 2128
63 305
64 26
65 1

List of values

[1, 1, 1, 1, 2, 1, 1, 4, 5, 1, 1, 10, 20, 8, 1, 1, 31, 78, 45, 11, 1, 1, 110, 310, 224, 79, 14, 1, 1, 421, 1264, 1061, 475, 122, 17, 1, 1, 1686, 5274, 4922, 2608, 858, 174, 20, 1, 1, 6961, 22430, 22648, 13604, 5356, 1400, 235, 23, 1, 1, 29392, 96899, 103978, 68816, 31072, 9791, 2128, 305, 26, 1]

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

Content is available under The OEIS End-User License Agreement.