A261604 - cp's OEIS frontend

A261604 a(1)=0. For n>1, a(n) = smallest number > a(n-1) such that, for all m,r a(n) != a(m)^2 + a(r)^2.

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	11
10	12
11	13
12	14
13	15
14	19
15	20
16	21
17	22
18	23
19	24
20	27
21	28
22	29
23	30
24	31
25	33
26	35
27	38
28	39
29	40
30	42
31	43
32	44
33	46
34	47
35	48
36	51
37	53
38	54
39	55
40	56
41	57
42	59
43	60
44	62
45	63
46	66
47	67
48	68
49	69
50	70
51	71
52	75
53	76
54	77
55	78
56	79
57	81
58	82
59	83
60	84
61	86
62	87
63	88

[0, 1, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 19, 20, 21, 22, 23, 24, 27, 28, 29, 30, 31, 33, 35, 38, 39, 40, 42, 43, 44, 46, 47, 48, 51, 53, 54, 55, 56, 57, 59, 60, 62, 63, 66, 67, 68, 69, 70, 71, 75, 76, 77, 78, 79, 81, 82, 83, 84, 86, 87, 88]

cp's OEIS Frontend

A261604 a(1)=0. For n>1, a(n) = smallest number > a(n-1) such that, for all m,r a(n) != a(m)^2 + a(r)^2.

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	11
10	12
11	13
12	14
13	15
14	19
15	20
16	21
17	22
18	23
19	24
20	27
21	28
22	29
23	30
24	31
25	33
26	35
27	38
28	39
29	40
30	42
31	43
32	44
33	46
34	47
35	48
36	51
37	53
38	54
39	55
40	56
41	57
42	59
43	60
44	62
45	63
46	66
47	67
48	68
49	69
50	70
51	71
52	75
53	76
54	77
55	78
56	79
57	81
58	82
59	83
60	84
61	86
62	87
63	88

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	11
10	12
11	13
12	14
13	15
14	19
15	20
16	21
17	22
18	23
19	24
20	27
21	28
22	29
23	30
24	31
25	33
26	35
27	38
28	39
29	40
30	42
31	43
32	44
33	46
34	47
35	48
36	51
37	53
38	54
39	55
40	56
41	57
42	59
43	60
44	62
45	63
46	66
47	67
48	68
49	69
50	70
51	71
52	75
53	76
54	77
55	78
56	79
57	81
58	82
59	83
60	84
61	86
62	87
63	88

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	11
10	12
11	13
12	14
13	15
14	19
15	20
16	21
17	22
18	23
19	24
20	27
21	28
22	29
23	30
24	31
25	33
26	35
27	38
28	39
29	40
30	42
31	43
32	44
33	46
34	47
35	48
36	51
37	53
38	54
39	55
40	56
41	57
42	59
43	60
44	62
45	63
46	66
47	67
48	68
49	69
50	70
51	71
52	75
53	76
54	77
55	78
56	79
57	81
58	82
59	83
60	84
61	86
62	87
63	88