A309573 - cp's OEIS frontend

A309573 a(n) is the sum of lattice points enumerated by the square number spiral falling on the circumference of circles centered at the origin of radii n.

n	a(n)
0	0
1	16
2	64
3	144
4	256
5	912
6	576
7	784
8	1024
9	1296
10	3648
11	1936
12	2304
13	7312
14	3136
15	8208
16	4096
17	11824
18	5184
19	5776
20	14592
21	7056
22	7744
23	8464
24	9216
25	41232
26	29248
27	11664
28	12544
29	27568
30	32832
31	15376
32	16384
33	17424
34	47296
35	44688
36	20736
37	61104
38	23104
39	65808
40	58368
41	78096
42	28224
43	29584
44	30976
45	73872

[0, 16, 64, 144, 256, 912, 576, 784, 1024, 1296, 3648, 1936, 2304, 7312, 3136, 8208, 4096, 11824, 5184, 5776, 14592, 7056, 7744, 8464, 9216, 41232, 29248, 11664, 12544, 27568, 32832, 15376, 16384, 17424, 47296, 44688, 20736, 61104, 23104, 65808, 58368, 78096, 28224, 29584, 30976, 73872]

cp's OEIS Frontend

A309573 a(n) is the sum of lattice points enumerated by the square number spiral falling on the circumference of circles centered at the origin of radii n.

Table of values

List of values