A000511 - cp's OEIS frontend

A000511 Number of n-step spiral self-avoiding walks on hexagonal lattice, where at each step one may continue in same direction or make turn of 2*Pi/3 counterclockwise.

n	a(n)
0	1
1	1
2	2
3	3
4	5
5	8
6	11
7	17
8	25
9	33
10	47
11	67
12	87
13	117
14	160
15	207
16	270
17	356
18	455
19	584
20	751
21	945
22	1195
23	1513
24	1882
25	2345
26	2927
27	3608
28	4446
29	5483
30	6701
31	8180
32	9986
33	12109
34	14664
35	17750
36	21371
37	25694
38	30872
39	36937
40	44127
41	52672
42	62658
43	74429
44	88327
45	104524
46	123518
47	145819
48	171737
49	201990
50	237332
51	278289
52	325901
53	381278
54	445272
55	519381
56	605230
57	704170
58	818357
59	950150
60	1101634
61	1275907
62	1476384
63	1706226
64	1969869
65	2272224
66	2618007
67	3013559
68	3465917
69	3982025
70	4570898
71	5242569
72	6007170
73	6877474
74	7867709
75	8992510
76	10269905
77	11719991
78	13363733
79	15226469
80	17336450
81	19723485
82	22423058
83	25474712
84	28920541
85	32810028
86	37198284
87	42144403
88	47717124
89	53992936
90	61054313
91	68996364
92	77924848
93	87954283
94	99215750
95	111854888

[1, 1, 2, 3, 5, 8, 11, 17, 25, 33, 47, 67, 87, 117, 160, 207, 270, 356, 455, 584, 751, 945, 1195, 1513, 1882, 2345, 2927, 3608, 4446, 5483, 6701, 8180, 9986, 12109, 14664, 17750, 21371, 25694, 30872, 36937, 44127, 52672, 62658, 74429, 88327, 104524, 123518, 145819, 171737, 201990, 237332, 278289, 325901, 381278, 445272, 519381, 605230, 704170, 818357, 950150, 1101634, 1275907, 1476384, 1706226, 1969869, 2272224, 2618007, 3013559, 3465917, 3982025, 4570898, 5242569, 6007170, 6877474, 7867709, 8992510, 10269905, 11719991, 13363733, 15226469, 17336450, 19723485, 22423058, 25474712, 28920541, 32810028, 37198284, 42144403, 47717124, 53992936, 61054313, 68996364, 77924848, 87954283, 99215750, 111854888]

cp's OEIS Frontend

A000511 Number of n-step spiral self-avoiding walks on hexagonal lattice, where at each step one may continue in same direction or make turn of 2*Pi/3 counterclockwise.

Table of values

List of values