A233332 - cp's OEIS frontend

A233332 Irregular array read by rows: A(n,k) = number of first coronas of a fixed rhombus r_{n,k} with characteristics of n-fold rotational symmetry in the Euclidean plane, n>=2, 1<=k<=floor(n/2), as explained below.

n	a(n)
2	1
3	83
4	1452
5	1770
6	15587
7	19863
8	131980
9	169716
10	182884
11	971013
12	1245461
13	1389317
14	6508358
15	8289158
16	9408838
17	9790598
18	40813063
19	51522567
20	58997063
21	62834759
22	243405576
23	304396296
24	349949576
25	378076936
26	387585288

[1, 83, 1452, 1770, 15587, 19863, 131980, 169716, 182884, 971013, 1245461, 1389317, 6508358, 8289158, 9408838, 9790598, 40813063, 51522567, 58997063, 62834759, 243405576, 304396296, 349949576, 378076936, 387585288]

cp's OEIS Frontend

A233332 Irregular array read by rows: A(n,k) = number of first coronas of a fixed rhombus r_{n,k} with characteristics of n-fold rotational symmetry in the Euclidean plane, n>=2, 1<=k<=floor(n/2), as explained below.

Table of values

List of values