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.

A136423 Floor((x^n - (1-x)^n)/2 +.5) where x = (sqrt(4)+1)/2 = 3/2.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 4
6 6
7 9
8 13
9 19
10 29
11 43
12 65
13 97
14 146
15 219
16 328
17 493
18 739
19 1108
20 1663
21 2494
22 3741
23 5611
24 8417
25 12626
26 18938
27 28408
28 42611
29 63917
30 95876
31 143813
32 215720
33 323580
34 485370
35 728055
36 1092082
37 1638123
38 2457185
39 3685777
40 5528666
41 8292999

List of values

[1, 1, 2, 3, 4, 6, 9, 13, 19, 29, 43, 65, 97, 146, 219, 328, 493, 739, 1108, 1663, 2494, 3741, 5611, 8417, 12626, 18938, 28408, 42611, 63917, 95876, 143813, 215720, 323580, 485370, 728055, 1092082, 1638123, 2457185, 3685777, 5528666, 8292999]