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.

A277046 Triangle read by rows: T(n,k) = 2^n - n + k - 1 for n >= 1, with 1 <= k <= 2n-1.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 12
11 13
12 14
13 15
14 16
15 17
16 18
17 27
18 28
19 29
20 30
21 31
22 32
23 33
24 34
25 35
26 58
27 59
28 60
29 61
30 62
31 63
32 64
33 65
34 66
35 67
36 68
37 121
38 122
39 123
40 124
41 125
42 126
43 127
44 128
45 129
46 130
47 131
48 132
49 133
50 248
51 249
52 250
53 251
54 252
55 253
56 254
57 255
58 256
59 257
60 258
61 259
62 260
63 261
64 262
65 503
66 504
67 505
68 506
69 507
70 508
71 509
72 510
73 511
74 512
75 513
76 514
77 515
78 516
79 517
80 518
81 519

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 27, 28, 29, 30, 31, 32, 33, 34, 35, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519]