A317186 - cp's OEIS frontend

A317186 One of many square spiral sequences: a(n) = n^2 + n - floor((n-1)/2).

n	a(n)
0	1
1	2
2	6
3	11
4	19
5	28
6	40
7	53
8	69
9	86
10	106
11	127
12	151
13	176
14	204
15	233
16	265
17	298
18	334
19	371
20	411
21	452
22	496
23	541
24	589
25	638
26	690
27	743
28	799
29	856
30	916
31	977
32	1041
33	1106
34	1174
35	1243
36	1315
37	1388
38	1464
39	1541
40	1621
41	1702
42	1786
43	1871
44	1959
45	2048
46	2140
47	2233
48	2329
49	2426

[1, 2, 6, 11, 19, 28, 40, 53, 69, 86, 106, 127, 151, 176, 204, 233, 265, 298, 334, 371, 411, 452, 496, 541, 589, 638, 690, 743, 799, 856, 916, 977, 1041, 1106, 1174, 1243, 1315, 1388, 1464, 1541, 1621, 1702, 1786, 1871, 1959, 2048, 2140, 2233, 2329, 2426]

cp's OEIS Frontend

A317186 One of many square spiral sequences: a(n) = n^2 + n - floor((n-1)/2).

Table of values

List of values