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.

A350437 a(n) is the number of integers that can be represented in a 7-segment display by using only n segments (version A006942).

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 3
5 7
6 12
7 18
8 31
9 52
10 92
11 158
12 269
13 460
14 786
15 1350
16 2317
17 3969
18 6798
19 11643
20 19952
21 34197
22 58601
23 100410
24 172042
25 294791
26 505143
27 865589
28 1483206
29 2541480
30 4354847
31 7462119
32 12786520
33 21909974
34 37543133
35 64330800
36 110232005
37 188884671
38 323657539
39 554593317

List of values

[0, 0, 1, 2, 3, 7, 12, 18, 31, 52, 92, 158, 269, 460, 786, 1350, 2317, 3969, 6798, 11643, 19952, 34197, 58601, 100410, 172042, 294791, 505143, 865589, 1483206, 2541480, 4354847, 7462119, 12786520, 21909974, 37543133, 64330800, 110232005, 188884671, 323657539, 554593317]