A338158 - cp's OEIS frontend

A338158 Triangle read by rows: T(n,k) is the coefficient of x^k in the ZZ polynomial of the hexagonal graphene flake O(3,3,n).

n	a(n)
1	20
2	30
3	12
4	1
5	175
6	450
7	425
8	180
9	33
10	2
11	980
12	3308
13	4458
14	3065
15	1140
16	225
17	22
18	1
19	4116
20	16468
21	27293
22	24262
23	12521
24	3796
25	653
26	58
27	2
28	14112
29	63522
30	120848
31	126518
32	79506
33	30681
34	7132
35	933
36	58
37	1
38	41580
39	204180
40	429030
41	503664
42	361690
43	163380
44	45885
45	7588
46	648
47	20

[20, 30, 12, 1, 175, 450, 425, 180, 33, 2, 980, 3308, 4458, 3065, 1140, 225, 22, 1, 4116, 16468, 27293, 24262, 12521, 3796, 653, 58, 2, 14112, 63522, 120848, 126518, 79506, 30681, 7132, 933, 58, 1, 41580, 204180, 429030, 503664, 361690, 163380, 45885, 7588, 648, 20]

cp's OEIS Frontend

A338158 Triangle read by rows: T(n,k) is the coefficient of x^k in the ZZ polynomial of the hexagonal graphene flake O(3,3,n).

Table of values

List of values