A373584 - cp's OEIS frontend

A373584 a(n) is equal to the number of shaded cells in a regular hexagon with side n drawn on a hexagonal grid.

n	a(n)
1	1
2	7
3	13
4	19
5	31
6	49
7	67
8	85
9	109
10	139
11	169
12	199
13	235
14	277
15	319
16	361
17	409
18	463
19	517
20	571
21	631
22	697
23	763
24	829
25	901
26	979
27	1057
28	1135
29	1219
30	1309
31	1399
32	1489
33	1585
34	1687
35	1789
36	1891
37	1999
38	2113
39	2227
40	2341
41	2461
42	2587
43	2713
44	2839
45	2971
46	3109
47	3247
48	3385
49	3529

[1, 7, 13, 19, 31, 49, 67, 85, 109, 139, 169, 199, 235, 277, 319, 361, 409, 463, 517, 571, 631, 697, 763, 829, 901, 979, 1057, 1135, 1219, 1309, 1399, 1489, 1585, 1687, 1789, 1891, 1999, 2113, 2227, 2341, 2461, 2587, 2713, 2839, 2971, 3109, 3247, 3385, 3529]

cp's OEIS Frontend

A373584 a(n) is equal to the number of shaded cells in a regular hexagon with side n drawn on a hexagonal grid.

Table of values

List of values