A332377 - cp's OEIS frontend

A332377 One-third of total number of edges in graph formed by the straight line segments connecting the edges of an equilateral triangle with the n-1 points resulting from a subdivision of the sides into n equal pieces.

n	a(n)
1	1
2	4
3	13
4	18
5	41
6	48
7	85
8	94
9	145
10	156
11	221
12	234
13	313
14	328
15	415
16	438
17	545
18	564
19	685
20	700
21	841
22	864
23	1013
24	1014
25	1201
26	1228
27	1405
28	1434
29	1625
30	1650
31	1861
32	1894
33	2113
34	2148
35	2369
36	2418
37	2665
38	2704
39	2965
40	2988
41	3281
42	3312
43	3613
44	3658
45	3919
46	4008
47	4325

[1, 4, 13, 18, 41, 48, 85, 94, 145, 156, 221, 234, 313, 328, 415, 438, 545, 564, 685, 700, 841, 864, 1013, 1014, 1201, 1228, 1405, 1434, 1625, 1650, 1861, 1894, 2113, 2148, 2369, 2418, 2665, 2704, 2965, 2988, 3281, 3312, 3613, 3658, 3919, 4008, 4325]

cp's OEIS Frontend

A332377 One-third of total number of edges in graph formed by the straight line segments connecting the edges of an equilateral triangle with the n-1 points resulting from a subdivision of the sides into n equal pieces.

Table of values

List of values