A241233 - cp's OEIS frontend

A241233 Number of right triangles, distinct up to congruence, on a centered hexagonal grid of size n.

n	a(n)
1	0
2	1
3	5
4	13
5	25
6	42
7	62
8	86
9	115
10	150
11	191
12	234
13	282
14	334
15	395
16	455
17	526
18	601
19	677
20	762
21	855
22	947
23	1045
24	1152
25	1261
26	1378
27	1498
28	1619
29	1757
30	1900
31	2041
32	2176
33	2334
34	2507
35	2661
36	2838
37	3011
38	3174
39	3379
40	3577
41	3773
42	3967
43	4179
44	4389
45	4618
46	4848
47	5090
48	5311
49	5559
50	5792
51	6068

[0, 1, 5, 13, 25, 42, 62, 86, 115, 150, 191, 234, 282, 334, 395, 455, 526, 601, 677, 762, 855, 947, 1045, 1152, 1261, 1378, 1498, 1619, 1757, 1900, 2041, 2176, 2334, 2507, 2661, 2838, 3011, 3174, 3379, 3577, 3773, 3967, 4179, 4389, 4618, 4848, 5090, 5311, 5559, 5792, 6068]

cp's OEIS Frontend

A241233 Number of right triangles, distinct up to congruence, on a centered hexagonal grid of size n.

Table of values

List of values