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.

A260749 Dragon Curve triple point middle inverses. If D:[0,1] is a Dragon curve, then besides n, there are two other integers p and q (with p < n < q) with D(A(p)/(15*2^k)) = D(A(n)/(15*2^k)) = D(A(q)/(15*2^k)), where k is any integer > log_2(A(q)/15).

Table of values

n a(n)
1 21
2 42
3 39
4 84
5 81
6 78
7 99
8 171
9 168
10 113
11 141
12 162
13 156
14 159
15 201
16 198
17 213
18 342
19 211
20 336
21 319
22 219
23 327
24 226
25 291
26 233
27 261
28 282
29 279
30 324
31 312
32 309
33 321
34 318
35 367
36 339
37 381
38 402
39 396
40 399
41 426
42 423
43 684
44 422
45 672
46 421
47 638
48 649
49 657
50 441
51 438
52 453
53 654
54 452
55 582
56 451
57 559
58 459
59 567
60 466
61 531
62 473
63 501
64 522
65 519
66 564
67 561
68 558
69 579
70 651
71 648
72 593
73 624
74 621
75 618
76 749
77 642
78 641
79 636
80 633
81 747
82 734
83 639
84 669
85 681
86 678
87 727
88 699
89 741
90 762
91 759
92 804
93 792
94 789
95 801
96 798
97 847
98 819
99 861

List of values

[21, 42, 39, 84, 81, 78, 99, 171, 168, 113, 141, 162, 156, 159, 201, 198, 213, 342, 211, 336, 319, 219, 327, 226, 291, 233, 261, 282, 279, 324, 312, 309, 321, 318, 367, 339, 381, 402, 396, 399, 426, 423, 684, 422, 672, 421, 638, 649, 657, 441, 438, 453, 654, 452, 582, 451, 559, 459, 567, 466, 531, 473, 501, 522, 519, 564, 561, 558, 579, 651, 648, 593, 624, 621, 618, 749, 642, 641, 636, 633, 747, 734, 639, 669, 681, 678, 727, 699, 741, 762, 759, 804, 792, 789, 801, 798, 847, 819, 861]