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.

A377757 Number of possibilities to place "hat" monotiles onto the first n hexagons in a counterclockwise order such that more rings of tiles can be placed around it.

Table of values

n a(n)
1 1
2 3
3 7
4 9
5 10
6 15
7 18
8 22
9 23
10 26
11 26
12 30
13 32
14 35
15 37
16 43
17 44
18 44
19 44
20 51
21 51
22 56
23 60
24 60
25 65
26 69
27 74
28 80
29 86
30 86
31 86
32 94
33 94
34 94
35 100
36 105
37 109

List of values

[1, 3, 7, 9, 10, 15, 18, 22, 23, 26, 26, 30, 32, 35, 37, 43, 44, 44, 44, 51, 51, 56, 60, 60, 65, 69, 74, 80, 86, 86, 86, 94, 94, 94, 100, 105, 109]