A000049 - cp's OEIS frontend

A000049 Number of positive integers <= 2^n of the form 3x^2 + 4y^2.

n	a(n)
0	0
1	0
2	2
3	3
4	5
5	9
6	16
7	29
8	53
9	98
10	181
11	341
12	640
13	1218
14	2321
15	4449
16	8546
17	16482
18	31845
19	61707
20	119760
21	232865
22	453511
23	884493
24	1727125
25	3376376
26	6607207
27	12941838
28	25371086
29	49776945
30	97730393
31	192009517
32	377473965
33	742511438
34	1461351029
35	2877568839
36	5668961811

[0, 0, 2, 3, 5, 9, 16, 29, 53, 98, 181, 341, 640, 1218, 2321, 4449, 8546, 16482, 31845, 61707, 119760, 232865, 453511, 884493, 1727125, 3376376, 6607207, 12941838, 25371086, 49776945, 97730393, 192009517, 377473965, 742511438, 1461351029, 2877568839, 5668961811]

cp's OEIS Frontend

A000049 Number of positive integers <= 2^n of the form 3x^2 + 4y^2.

Table of values

List of values

cp's OEIS Frontend

A000049 Number of positive integers <= 2^n of the form 3*x^2 + 4*y^2.

Table of values

List of values

A000049 Number of positive integers <= 2^n of the form 3x^2 + 4y^2.