A000401 - cp's OEIS frontend

A000401 Numbers of form x^2 + y^2 + 2*z^2.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	12
14	13
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	31
31	32
32	33
33	34
34	35
35	36
36	37
37	38
38	39
39	40
40	41
41	42
42	43
43	44
44	45
45	47
46	48
47	49
48	50
49	51
50	52
51	53
52	54
53	55
54	57
55	58
56	59
57	60
58	61
59	63
60	64
61	65
62	66
63	67
64	68
65	69
66	70
67	71
68	72
69	73
70	74
71	75
72	76

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76]

cp's OEIS Frontend

A000401 Numbers of form x^2 + y^2 + 2*z^2.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	12
14	13
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	31
31	32
32	33
33	34
34	35
35	36
36	37
37	38
38	39
39	40
40	41
41	42
42	43
43	44
44	45
45	47
46	48
47	49
48	50
49	51
50	52
51	53
52	54
53	55
54	57
55	58
56	59
57	60
58	61
59	63
60	64
61	65
62	66
63	67
64	68
65	69
66	70
67	71
68	72
69	73
70	74
71	75
72	76

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	12
14	13
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	31
31	32
32	33
33	34
34	35
35	36
36	37
37	38
38	39
39	40
40	41
41	42
42	43
43	44
44	45
45	47
46	48
47	49
48	50
49	51
50	52
51	53
52	54
53	55
54	57
55	58
56	59
57	60
58	61
59	63
60	64
61	65
62	66
63	67
64	68
65	69
66	70
67	71
68	72
69	73
70	74
71	75
72	76

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	12
14	13
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	31
31	32
32	33
33	34
34	35
35	36
36	37
37	38
38	39
39	40
40	41
41	42
42	43
43	44
44	45
45	47
46	48
47	49
48	50
49	51
50	52
51	53
52	54
53	55
54	57
55	58
56	59
57	60
58	61
59	63
60	64
61	65
62	66
63	67
64	68
65	69
66	70
67	71
68	72
69	73
70	74
71	75
72	76