A144020 - cp's OEIS frontend

A144020 Numbers of the form 1+i^2+j^2+k^2 with 1 <= i <= j <= k.

n	a(n)
1	4
2	7
3	10
4	12
5	13
6	15
7	18
8	19
9	20
10	22
11	23
12	25
13	27
14	28
15	30
16	31
17	34
18	35
19	36
20	37
21	39
22	42
23	43
24	44
25	45
26	46
27	47
28	49
29	50
30	51
31	52
32	54
33	55
34	57
35	58
36	60
37	62
38	63
39	66
40	67
41	68
42	69
43	70
44	71
45	73
46	74
47	75
48	76
49	77
50	78
51	79
52	82
53	83
54	84
55	85
56	87
57	89
58	90
59	91
60	92
61	94
62	95
63	97
64	98
65	99
66	100
67	102
68	103
69	105
70	106

[4, 7, 10, 12, 13, 15, 18, 19, 20, 22, 23, 25, 27, 28, 30, 31, 34, 35, 36, 37, 39, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 54, 55, 57, 58, 60, 62, 63, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 82, 83, 84, 85, 87, 89, 90, 91, 92, 94, 95, 97, 98, 99, 100, 102, 103, 105, 106]

cp's OEIS Frontend

A144020 Numbers of the form 1+i^2+j^2+k^2 with 1 <= i <= j <= k.

Table of values

List of values

n	a(n)
1	4
2	7
3	10
4	12
5	13
6	15
7	18
8	19
9	20
10	22
11	23
12	25
13	27
14	28
15	30
16	31
17	34
18	35
19	36
20	37
21	39
22	42
23	43
24	44
25	45
26	46
27	47
28	49
29	50
30	51
31	52
32	54
33	55
34	57
35	58
36	60
37	62
38	63
39	66
40	67
41	68
42	69
43	70
44	71
45	73
46	74
47	75
48	76
49	77
50	78
51	79
52	82
53	83
54	84
55	85
56	87
57	89
58	90
59	91
60	92
61	94
62	95
63	97
64	98
65	99
66	100
67	102
68	103
69	105
70	106

n	a(n)
1	4
2	7
3	10
4	12
5	13
6	15
7	18
8	19
9	20
10	22
11	23
12	25
13	27
14	28
15	30
16	31
17	34
18	35
19	36
20	37
21	39
22	42
23	43
24	44
25	45
26	46
27	47
28	49
29	50
30	51
31	52
32	54
33	55
34	57
35	58
36	60
37	62
38	63
39	66
40	67
41	68
42	69
43	70
44	71
45	73
46	74
47	75
48	76
49	77
50	78
51	79
52	82
53	83
54	84
55	85
56	87
57	89
58	90
59	91
60	92
61	94
62	95
63	97
64	98
65	99
66	100
67	102
68	103
69	105
70	106

n	a(n)
1	4
2	7
3	10
4	12
5	13
6	15
7	18
8	19
9	20
10	22
11	23
12	25
13	27
14	28
15	30
16	31
17	34
18	35
19	36
20	37
21	39
22	42
23	43
24	44
25	45
26	46
27	47
28	49
29	50
30	51
31	52
32	54
33	55
34	57
35	58
36	60
37	62
38	63
39	66
40	67
41	68
42	69
43	70
44	71
45	73
46	74
47	75
48	76
49	77
50	78
51	79
52	82
53	83
54	84
55	85
56	87
57	89
58	90
59	91
60	92
61	94
62	95
63	97
64	98
65	99
66	100
67	102
68	103
69	105
70	106