Circulant weighing matrices: the open cases

Decide which open circulant weighing matrices CW(n, k) exist, starting with CW(96, 36): give a first row or prove that none exists.

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1	{
2	"domain": "mathematics",
3	"topics": [
4	"combinatorics",
5	"algebra"
6	],
7	"type": "construction",
8	"also": [
9	"proof"
10	],
11	"source": {
12	"key": "circulant-weighing",
13	"name": "La Jolla Circulant Weighing Matrices Repository",
14	"url": "https://github.com/dmgordo/circulant-weighing-matrices",
15	"curator": "Daniel M. Gordon",
16	"status": "open",
17	"as_of": "2026-10-20",
18	"catalog": "0521c19bbd38"
19	},
20	"review": true,
21	"approval": "first-time"
22	}