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.

A139482 Binomial transform of [1, 1, 2, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, ...].

Table of values

n a(n)
1 1
2 2
3 5
4 11
5 20
6 32
7 47
8 65
9 86
10 110
11 137
12 167
13 200
14 236
15 275
16 317
17 362
18 410
19 461
20 515
21 572
22 632
23 695
24 761
25 830
26 902
27 977
28 1055
29 1136
30 1220
31 1307
32 1397
33 1490
34 1586
35 1685
36 1787
37 1892
38 2000
39 2111
40 2225

List of values

[1, 2, 5, 11, 20, 32, 47, 65, 86, 110, 137, 167, 200, 236, 275, 317, 362, 410, 461, 515, 572, 632, 695, 761, 830, 902, 977, 1055, 1136, 1220, 1307, 1397, 1490, 1586, 1685, 1787, 1892, 2000, 2111, 2225]