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.

A213616 Triangle read by rows, coefficients of the Bernoulli nabla polynomials BN_{n}(x) times A144845(n) in descending order of powers.

Table of values

n a(n)
0 1
1 2
2 -3
3 6
4 -18
5 13
6 2
7 -9
8 13
9 -6
10 30
11 -180
12 390
13 -360
14 119
15 6
16 -45
17 130
18 -180
19 119
20 -30
21 42
22 -378
23 1365
24 -2520
25 2499
26 -1260
27 253
28 6
29 -63
30 273
31 -630
32 833
33 -630
34 253
35 -42
36 30
37 -360
38 1820
39 -5040
40 8330
41 -8400
42 5060
43 -1680
44 239
45 10
46 -135
47 780
48 -2520
49 4998
50 -6300

List of values

[1, 2, -3, 6, -18, 13, 2, -9, 13, -6, 30, -180, 390, -360, 119, 6, -45, 130, -180, 119, -30, 42, -378, 1365, -2520, 2499, -1260, 253, 6, -63, 273, -630, 833, -630, 253, -42, 30, -360, 1820, -5040, 8330, -8400, 5060, -1680, 239, 10, -135, 780, -2520, 4998, -6300]