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.

A124139 a(n) = A000265(3*(a(n-1) + a(n-2))/2 + 1) starting at a(1)=1, a(2)=11.

Table of values

n a(n)
1 1
2 11
3 19
4 23
5 1
6 37
7 29
8 25
9 41
10 25
11 25
12 19
13 67
14 65
15 199
16 397
17 895
18 1939
19 1063
20 563
21 305
22 1303
23 2413
24 5575
25 11983
26 13169
27 37729
28 19087
29 85225
30 156469
31 181271
32 506611
33 64489
34 856651
35 1381711
36 419693
37 2702107
38 4682701
39 11077213
40 369373
41 2146235
42 3773413

List of values

[1, 11, 19, 23, 1, 37, 29, 25, 41, 25, 25, 19, 67, 65, 199, 397, 895, 1939, 1063, 563, 305, 1303, 2413, 5575, 11983, 13169, 37729, 19087, 85225, 156469, 181271, 506611, 64489, 856651, 1381711, 419693, 2702107, 4682701, 11077213, 369373, 2146235, 3773413]