A123353 - cp's OEIS frontend

A123353 Triangle read by rows, giving Kekulé numbers for certain benzenoids (see the Cyvin-Gutman book for details).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	3
8	6
9	1
10	1
11	4
12	20
13	19
14	1
15	1
16	5
17	50
18	155
19	62
20	1
21	1
22	6
23	105
24	805
25	1315
26	207
27	1
28	1
29	7
30	196
31	3136
32	15218
33	11957
34	704
35	1
36	1
37	8
38	336
39	9996
40	118188
41	326053
42	114972
43	2431
44	1
45	1
46	9
47	540
48	27468
49	690480
50	5355756
51	7736092
52	1157650
53	8502
54	1

[1, 1, 1, 1, 2, 1, 1, 3, 6, 1, 1, 4, 20, 19, 1, 1, 5, 50, 155, 62, 1, 1, 6, 105, 805, 1315, 207, 1, 1, 7, 196, 3136, 15218, 11957, 704, 1, 1, 8, 336, 9996, 118188, 326053, 114972, 2431, 1, 1, 9, 540, 27468, 690480, 5355756, 7736092, 1157650, 8502, 1]

cp's OEIS Frontend

A123353 Triangle read by rows, giving Kekulé numbers for certain benzenoids (see the Cyvin-Gutman book for details).

Table of values

List of values