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.

A378979 Square array A(n, k) = 2*A246278(n, k) - sigma(A246278(n, k)), read by falling antidiagonals. Deficiency applied to the prime shift array.

Table of values

n a(n)
1 1
2 1
3 2
4 0
5 5
6 4
7 1
8 6
9 19
10 6
11 2
12 14
13 22
14 41
15 10
16 -4
17 10
18 94
19 58
20 109
21 12
22 4
23 12
24 38
25 286
26 118
27 155
28 16
29 1
30 18
31 102
32 70
33 1198
34 190
35 271
36 18
37 -3
38 41
39 46
40 394
41 158
42 2014
43 286
44 341
45 22
46 -2
47 26
48 469
49 94
50 1284
51 214
52 4606
53 394
54 505
55 28
56 8
57 22
58 148
59 2001
60 178
61 2452
62 350
63 6478
64 614
65 811
66 30
67 -12
68 22
69 178
70 630
71 13177
72 262
73 4842
74 502
75 11614
76 838
77 929
78 36

List of values

[1, 1, 2, 0, 5, 4, 1, 6, 19, 6, 2, 14, 22, 41, 10, -4, 10, 94, 58, 109, 12, 4, 12, 38, 286, 118, 155, 16, 1, 18, 102, 70, 1198, 190, 271, 18, -3, 41, 46, 394, 158, 2014, 286, 341, 22, -2, 26, 469, 94, 1284, 214, 4606, 394, 505, 28, 8, 22, 148, 2001, 178, 2452, 350, 6478, 614, 811, 30, -12, 22, 178, 630, 13177, 262, 4842, 502, 11614, 838, 929, 36]