A026466 - cp's OEIS frontend

A026466 a(1) = 1; for n > 1, a(n) = least positive integer > a(n-1) and not a(i)^2 + a(j)^2 for 1<=i

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

[1, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 27, 28, 29, 30, 31, 32, 33, 35, 36, 38, 39, 40, 42, 43, 44, 46, 47, 48, 49, 51, 53, 54, 55, 56, 57, 59, 60, 62, 63, 64, 66, 67, 68, 69, 70, 71, 72, 75, 76]

cp's OEIS Frontend

A026466 a(1) = 1; for n > 1, a(n) = least positive integer > a(n-1) and not a(i)^2 + a(j)^2 for 1<=i

Table of values

List of values

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

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

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