A370082 - cp's OEIS frontend

A370082 The number of square lattice nodes inside the n-th largest octagon with angles 3*Pi/4, along the perimeter of which there are only 8 lattice nodes - at the vertices of the octagon.

n	a(n)
1	4
2	32
3	88
4	116
5	172
6	200
7	256
8	284
9	368
10	424
11	452
12	508
13	592
14	620
15	676
16	704
17	760
18	788
19	872
20	956
21	1012
22	1040
23	1096
24	1180
25	1208
26	1264
27	1292
28	1348
29	1376
30	1432
31	1544
32	1600
33	1628
34	1684
35	1796
36	1852
37	1880
38	1936
39	1964
40	2020
41	2048
42	2132
43	2188
44	2216
45	2272
46	2356
47	2440
48	2468
49	2552
50	2608
51	2636

[4, 32, 88, 116, 172, 200, 256, 284, 368, 424, 452, 508, 592, 620, 676, 704, 760, 788, 872, 956, 1012, 1040, 1096, 1180, 1208, 1264, 1292, 1348, 1376, 1432, 1544, 1600, 1628, 1684, 1796, 1852, 1880, 1936, 1964, 2020, 2048, 2132, 2188, 2216, 2272, 2356, 2440, 2468, 2552, 2608, 2636]

cp's OEIS Frontend

A370082 The number of square lattice nodes inside the n-th largest octagon with angles 3*Pi/4, along the perimeter of which there are only 8 lattice nodes - at the vertices of the octagon.

Table of values

List of values