A323622 - cp's OEIS frontend

A323622 The first row of the order of square grid cells touched by a circle expanding from the middle of a cell.

n	a(n)
0	0
1	1
2	3
3	6
4	9
5	13
6	18
7	23
8	29
9	35
10	42
11	48
12	57
13	65
14	74
15	84
16	94
17	104
18	115
19	127
20	138
21	151
22	163
23	177
24	192
25	205
26	221
27	235
28	250
29	267
30	284
31	301
32	317
33	337
34	356
35	376
36	394
37	415
38	436
39	456
40	477
41	500
42	521
43	546
44	568
45	590
46	616
47	640
48	666
49	690
50	716
51	745
52	770
53	798
54	826
55	855
56	884
57	913
58	942
59	973
60	1003
61	1033
62	1066

[0, 1, 3, 6, 9, 13, 18, 23, 29, 35, 42, 48, 57, 65, 74, 84, 94, 104, 115, 127, 138, 151, 163, 177, 192, 205, 221, 235, 250, 267, 284, 301, 317, 337, 356, 376, 394, 415, 436, 456, 477, 500, 521, 546, 568, 590, 616, 640, 666, 690, 716, 745, 770, 798, 826, 855, 884, 913, 942, 973, 1003, 1033, 1066]

cp's OEIS Frontend

A323622 The first 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