A160790 - cp's OEIS frontend

A160790 Vertex number of a rectangular spiral. The first differences (A160791) are the edge lengths of the spiral. The distances between two nearest edges, that are parallel to the initial edge, are the natural numbers.

n	a(n)
0	0
1	1
2	2
3	4
4	7
5	10
6	16
7	20
8	30
9	35
10	50
11	56
12	77
13	84
14	112
15	120
16	156
17	165
18	210
19	220
20	275
21	286
22	352
23	364
24	442
25	455
26	546
27	560
28	665
29	680
30	800
31	816
32	952
33	969
34	1122
35	1140
36	1311
37	1330
38	1520
39	1540
40	1750
41	1771
42	2002
43	2024
44	2277
45	2300
46	2576
47	2600
48	2900
49	2925
50	3250
51	3276
52	3627
53	3654
54	4032
55	4060
56	4466
57	4495
58	4930
59	4960
60	5425

[0, 1, 2, 4, 7, 10, 16, 20, 30, 35, 50, 56, 77, 84, 112, 120, 156, 165, 210, 220, 275, 286, 352, 364, 442, 455, 546, 560, 665, 680, 800, 816, 952, 969, 1122, 1140, 1311, 1330, 1520, 1540, 1750, 1771, 2002, 2024, 2277, 2300, 2576, 2600, 2900, 2925, 3250, 3276, 3627, 3654, 4032, 4060, 4466, 4495, 4930, 4960, 5425]

cp's OEIS Frontend

A160790 Vertex number of a rectangular spiral. The first differences (A160791) are the edge lengths of the spiral. The distances between two nearest edges, that are parallel to the initial edge, are the natural numbers.

Table of values

List of values