A000099 - cp's OEIS frontend

A000099 Let A(n) = #{(i,j): i^2 + j^2 <= n}, V(n) = Pi*n, P(n) = A(n) - V(n); sequence gives values of n where |P(n)| sets a new record.

n	a(n)
1	1
2	2
3	5
4	10
5	20
6	24
7	26
8	41
9	53
10	130
11	149
12	205
13	234
14	287
15	340
16	410
17	425
18	480
19	586
20	840
21	850
22	986
23	1680
24	1843
25	2260
26	2591
27	3023
28	3024
29	3400
30	3959
31	3960
32	5182
33	5183
34	7920
35	9796
36	11233
37	14883
38	15119
39	15120
40	19593
41	21600
42	21603
43	21604
44	22177
45	28559
46	28560

[1, 2, 5, 10, 20, 24, 26, 41, 53, 130, 149, 205, 234, 287, 340, 410, 425, 480, 586, 840, 850, 986, 1680, 1843, 2260, 2591, 3023, 3024, 3400, 3959, 3960, 5182, 5183, 7920, 9796, 11233, 14883, 15119, 15120, 19593, 21600, 21603, 21604, 22177, 28559, 28560]

cp's OEIS Frontend

A000099 Let A(n) = #{(i,j): i^2 + j^2 <= n}, V(n) = Pi*n, P(n) = A(n) - V(n); sequence gives values of n where |P(n)| sets a new record.

Table of values

List of values