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.

A086893 a(n) is the index of F(n+1) at the unique occurrence of the ordered pair of reversed consecutive terms (F(n+1),F(n)) in Stern's diatomic sequence A002487, where F(k) denotes the k-th term of the Fibonacci sequence A000045.

Table of values

n a(n)
1 1
2 3
3 5
4 13
5 21
6 53
7 85
8 213
9 341
10 853
11 1365
12 3413
13 5461
14 13653
15 21845
16 54613
17 87381
18 218453
19 349525
20 873813
21 1398101
22 3495253
23 5592405
24 13981013
25 22369621
26 55924053
27 89478485
28 223696213
29 357913941
30 894784853
31 1431655765
32 3579139413

List of values

[1, 3, 5, 13, 21, 53, 85, 213, 341, 853, 1365, 3413, 5461, 13653, 21845, 54613, 87381, 218453, 349525, 873813, 1398101, 3495253, 5592405, 13981013, 22369621, 55924053, 89478485, 223696213, 357913941, 894784853, 1431655765, 3579139413]