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.

A212012 Triangle read by rows in which row n lists the number of states of the subshells of the n-th shell of the nuclear shell model ordered by energy level in increasing order.

Table of values

n a(n)
1 2
2 4
3 2
4 6
5 4
6 2
7 8
8 6
9 4
10 2
11 10
12 8
13 6
14 4
15 2
16 12
17 10
18 8
19 6
20 4
21 2
22 14
23 12
24 10
25 8
26 6
27 4
28 2
29 16
30 14
31 12
32 10
33 8
34 6
35 4
36 2
37 18
38 16
39 14
40 12
41 10
42 8
43 6
44 4
45 2
46 20
47 18
48 16
49 14
50 12
51 10
52 8
53 6
54 4
55 2
56 22
57 20
58 18
59 16
60 14
61 12
62 10
63 8
64 6
65 4
66 2
67 24
68 22
69 20
70 18
71 16
72 14
73 12
74 10
75 8
76 6
77 4
78 2

List of values

[2, 4, 2, 6, 4, 2, 8, 6, 4, 2, 10, 8, 6, 4, 2, 12, 10, 8, 6, 4, 2, 14, 12, 10, 8, 6, 4, 2, 16, 14, 12, 10, 8, 6, 4, 2, 18, 16, 14, 12, 10, 8, 6, 4, 2, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2, 24, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2]