A323623 - cp's OEIS frontend

A323623 The second row of the order of square grid cells touched by a circle expanding from the middle of a cell.

n	a(n)
0	1
1	2
2	4
3	7
4	10
5	14
6	19
7	24
8	30
9	36
10	43
11	49
12	58
13	66
14	75
15	85
16	95
17	105
18	116
19	128
20	139
21	152
22	164
23	178
24	193
25	206
26	222
27	236
28	251
29	268
30	285
31	302
32	318
33	338
34	357
35	377
36	395
37	416
38	437
39	457
40	478
41	501
42	522
43	547
44	569
45	591
46	617
47	641
48	667
49	691
50	717
51	746
52	771
53	799
54	827
55	856
56	885
57	914
58	943
59	974
60	1004
61	1034
62	1067

[1, 2, 4, 7, 10, 14, 19, 24, 30, 36, 43, 49, 58, 66, 75, 85, 95, 105, 116, 128, 139, 152, 164, 178, 193, 206, 222, 236, 251, 268, 285, 302, 318, 338, 357, 377, 395, 416, 437, 457, 478, 501, 522, 547, 569, 591, 617, 641, 667, 691, 717, 746, 771, 799, 827, 856, 885, 914, 943, 974, 1004, 1034, 1067]

cp's OEIS Frontend

A323623 The second row of the order of square grid cells touched by a circle expanding from the middle of a cell.

Table of values

List of values