A364315 - cp's OEIS frontend

A364315 Irregular triangle T read by rows obtained from A364312. Row n gives the number of real algebraic numbers from the (also signed) polynomials of Cantor's height n, and degree k, for k = 1, 2, ..., n-1, for n >= 2, and for n = 1 the degree is 1.

n	a(n)
1	1
2	2
3	4
4	0
5	4
6	8
7	0
8	8
9	8
10	12
11	0
12	4
13	32
14	20
15	16
16	0
17	12
18	28
19	100
20	16
21	16
22	0

[1, 2, 4, 0, 4, 8, 0, 8, 8, 12, 0, 4, 32, 20, 16, 0, 12, 28, 100, 16, 16, 0]