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.

A054451 Third column of triangle A054450 (partial row sums of unsigned Chebyshev triangle A049310).

Table of values

n a(n)
0 1
1 1
2 4
3 5
4 12
5 17
6 33
7 50
8 88
9 138
10 232
11 370
12 609
13 979
14 1596
15 2575
16 4180
17 6755
18 10945
19 17700
20 28656
21 46356
22 75024
23 121380
24 196417
25 317797
26 514228
27 832025
28 1346268
29 2178293
30 3524577
31 5702870
32 9227464
33 14930334
34 24157816
35 39088150
36 63245985
37 102334135

List of values

[1, 1, 4, 5, 12, 17, 33, 50, 88, 138, 232, 370, 609, 979, 1596, 2575, 4180, 6755, 10945, 17700, 28656, 46356, 75024, 121380, 196417, 317797, 514228, 832025, 1346268, 2178293, 3524577, 5702870, 9227464, 14930334, 24157816, 39088150, 63245985, 102334135]