A111746 - cp's OEIS frontend

A111746 Number of squares in the interior of the square with vertices (n,0), (0,n), (-n,0) and (0,-n) in a square (x,y)-grid.

n	a(n)
0	0
1	5
2	17
3	42
4	82
5	143
6	227
7	340
8	484
9	665
10	885
11	1150
12	1462
13	1827
14	2247
15	2728
16	3272
17	3885
18	4569
19	5330
20	6170
21	7095
22	8107
23	9212
24	10412
25	11713
26	13117
27	14630
28	16254
29	17995
30	19855
31	21840
32	23952
33	26197
34	28577
35	31098
36	33762
37	36575
38	39539
39	42660
40	45940

[0, 5, 17, 42, 82, 143, 227, 340, 484, 665, 885, 1150, 1462, 1827, 2247, 2728, 3272, 3885, 4569, 5330, 6170, 7095, 8107, 9212, 10412, 11713, 13117, 14630, 16254, 17995, 19855, 21840, 23952, 26197, 28577, 31098, 33762, 36575, 39539, 42660, 45940]

cp's OEIS Frontend

A111746 Number of squares in the interior of the square with vertices (n,0), (0,n), (-n,0) and (0,-n) in a square (x,y)-grid.

Table of values

List of values