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.

A154345 B(n,k) an additive decomposition of (4^n-2^n)*B(n), B(n) the Bernoulli numbers (triangle read by rows).

Table of values

n a(n)
0 1
1 4
2 -2
3 12
4 -15
5 3
6 32
7 -76
8 36
9 0
10 80
11 -325
12 275
13 0
14 -30
15 192
16 -1266
17 1710
18 0
19 -720
20 180
21 448
22 -4655
23 9457
24 0
25 -10290
26 5670
27 -630
28 1024
29 -16472
30 48552
31 0
32 -114240
33 104160
34 -25200
35 0

List of values

[1, 4, -2, 12, -15, 3, 32, -76, 36, 0, 80, -325, 275, 0, -30, 192, -1266, 1710, 0, -720, 180, 448, -4655, 9457, 0, -10290, 5670, -630, 1024, -16472, 48552, 0, -114240, 104160, -25200, 0]