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.

A299430 Numerators of coefficients in C(x) where: C(x)^(1/2) - S(x)^(1/2) = 1 such that C'(x)*S(x)^(1/2) = S'(x)*C(x)^(1/2) = 2*x*C(x).

Table of values

n a(n)
0 1
1 2
2 5
3 13
4 43
5 5
6 -19
7 41
8 1
9 -7243
10 923
11 23183
12 -21401
13 64243259
14 -73
15 -471741703
16 328578883
17 -11162934047
18 -103170103
19 405632121933911
20 -811862551
21 6065578925646109
22 2180051549129
23 -261709011005693843
24 36779766732769
25 -1552304807519349743393
26 -33230318647573
27 727642520296392573166003
28 -85602927913097260249
29 3885938896026347271301517

List of values

[1, 2, 5, 13, 43, 5, -19, 41, 1, -7243, 923, 23183, -21401, 64243259, -73, -471741703, 328578883, -11162934047, -103170103, 405632121933911, -811862551, 6065578925646109, 2180051549129, -261709011005693843, 36779766732769, -1552304807519349743393, -33230318647573, 727642520296392573166003, -85602927913097260249, 3885938896026347271301517]