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.

A027674 Numerical distance between m-th and (m+n)-th spheres in loxodromic sequence of spheres in which each 5 consecutive spheres are in mutual contact.

Table of values

n a(n)
0 -1
1 1
2 1
3 1
4 1
5 5
6 7
7 13
8 25
9 49
10 89
11 169
12 319
13 601
14 1129
15 2129
16 4009
17 7549
18 14215
19 26773
20 50417
21 94945
22 178801
23 336721
24 634111
25 1194161
26 2248849
27 4235041
28 7975441
29 15019381
30 28284551
31 53265565
32 100309897
33 188903953

List of values

[-1, 1, 1, 1, 1, 5, 7, 13, 25, 49, 89, 169, 319, 601, 1129, 2129, 4009, 7549, 14215, 26773, 50417, 94945, 178801, 336721, 634111, 1194161, 2248849, 4235041, 7975441, 15019381, 28284551, 53265565, 100309897, 188903953]