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.

A357801 Coefficients T(n,k) of x^(4*n)*r^(4*k)/(4*n)! in power series C(x,r) = 1 + Integral S(x,r)^3 * D(x,r)^3 dx such that C(x,r)^4 - S(x,r)^4 = 1 and D(x,r)^4 - r^4*S(x,r)^4 = 1, as a triangle read by rows.

Table of values

n a(n)
0 1
1 6
2 0
3 2268
4 6048
5 0
6 7434504
7 56282688
8 35126784
9 0
10 95227613712
11 1409371197696
12 2514356038656
13 679185948672
14 0
15 3354162536029536
16 81696140755536384
17 284770675495950336
18 220415417637617664
19 33022883487154176
20 0
21 264444869673131894208
22 9583398717725834749440
23 54913653475645427527680
24 83079959422282198548480
25 35701050229143616880640
26 3393656235362623684608
27 0

List of values

[1, 6, 0, 2268, 6048, 0, 7434504, 56282688, 35126784, 0, 95227613712, 1409371197696, 2514356038656, 679185948672, 0, 3354162536029536, 81696140755536384, 284770675495950336, 220415417637617664, 33022883487154176, 0, 264444869673131894208, 9583398717725834749440, 54913653475645427527680, 83079959422282198548480, 35701050229143616880640, 3393656235362623684608, 0]