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.

A137778 Triangular sequence from coefficients of an expansion of a Rankine-Hugoniot relation function for density in terms of thermodynamic gamma as t and pressure ratio as x: p(x,t)=((t + 1)/(t - 1) + x)/(1 + (t + 1)*x/(t - 1)).

Table of values

n a(n)
1 -1
2 -2
3 -2
4 -4
5 -8
6 -4
7 -12
8 -36
9 -36
10 -12
11 -48
12 -192
13 -288
14 -192
15 -48
16 -240
17 -1200
18 -2400
19 -2400
20 -1200
21 -240
22 -1440
23 -8640
24 -21600
25 -28800
26 -21600
27 -8640
28 -1440
29 -10080
30 -70560
31 -211680
32 -352800
33 -352800
34 -211680
35 -70560
36 -10080
37 -80640
38 -645120
39 -2257920
40 -4515840
41 -5644800
42 -4515840

List of values

[-1, -2, -2, -4, -8, -4, -12, -36, -36, -12, -48, -192, -288, -192, -48, -240, -1200, -2400, -2400, -1200, -240, -1440, -8640, -21600, -28800, -21600, -8640, -1440, -10080, -70560, -211680, -352800, -352800, -211680, -70560, -10080, -80640, -645120, -2257920, -4515840, -5644800, -4515840]