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.

A258099 Expansion of ( psi(x^3) * phi(-x^3) / (psi(x) * f(-x^2)) )^2 in powers of x where phi(), psi(), f() are Ramanujan theta functions.

Table of values

n a(n)
0 1
1 -2
2 5
3 -12
4 26
5 -50
6 92
7 -168
8 295
9 -496
10 818
11 -1332
12 2126
13 -3324
14 5126
15 -7824
16 11793
17 -17548
18 25857
19 -37788
20 54734
21 -78578
22 111968
23 -158496
24 222842
25 -311224
26 432095
27 -596676
28 819504
29 -1119624
30 1522282
31 -2060448
32 2776514
33 -3725294
34 4978142
35 -6626988

List of values

[1, -2, 5, -12, 26, -50, 92, -168, 295, -496, 818, -1332, 2126, -3324, 5126, -7824, 11793, -17548, 25857, -37788, 54734, -78578, 111968, -158496, 222842, -311224, 432095, -596676, 819504, -1119624, 1522282, -2060448, 2776514, -3725294, 4978142, -6626988]