A080591 - cp's OEIS frontend

A080591 a(n) is taken to be the smallest positive integer greater than a(n-1) which is consistent with the condition "n is a member of the sequence if and only if a(n) is congruent to 3 mod 4".

n	a(n)
0	1
1	3
2	4
3	7
4	11
5	12
6	13
7	15
8	16
9	17
10	18
11	19
12	23
13	27
14	28
15	31
16	35
17	39
18	43
19	47
20	48
21	49
22	50
23	51
24	52
25	53
26	54
27	55
28	59
29	60
30	61
31	63
32	64
33	65
34	66
35	67
36	68
37	69
38	70
39	71
40	72
41	73
42	74
43	75
44	76
45	77
46	78
47	79
48	83
49	87
50	91
51	95
52	99
53	103
54	107
55	111
56	112
57	113
58	114
59	115
60	119
61	123
62	124

[1, 3, 4, 7, 11, 12, 13, 15, 16, 17, 18, 19, 23, 27, 28, 31, 35, 39, 43, 47, 48, 49, 50, 51, 52, 53, 54, 55, 59, 60, 61, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 83, 87, 91, 95, 99, 103, 107, 111, 112, 113, 114, 115, 119, 123, 124]

cp's OEIS Frontend

A080591 a(n) is taken to be the smallest positive integer greater than a(n-1) which is consistent with the condition "n is a member of the sequence if and only if a(n) is congruent to 3 mod 4".

Table of values

List of values

n	a(n)
0	1
1	3
2	4
3	7
4	11
5	12
6	13
7	15
8	16
9	17
10	18
11	19
12	23
13	27
14	28
15	31
16	35
17	39
18	43
19	47
20	48
21	49
22	50
23	51
24	52
25	53
26	54
27	55
28	59
29	60
30	61
31	63
32	64
33	65
34	66
35	67
36	68
37	69
38	70
39	71
40	72
41	73
42	74
43	75
44	76
45	77
46	78
47	79
48	83
49	87
50	91
51	95
52	99
53	103
54	107
55	111
56	112
57	113
58	114
59	115
60	119
61	123
62	124

n	a(n)
0	1
1	3
2	4
3	7
4	11
5	12
6	13
7	15
8	16
9	17
10	18
11	19
12	23
13	27
14	28
15	31
16	35
17	39
18	43
19	47
20	48
21	49
22	50
23	51
24	52
25	53
26	54
27	55
28	59
29	60
30	61
31	63
32	64
33	65
34	66
35	67
36	68
37	69
38	70
39	71
40	72
41	73
42	74
43	75
44	76
45	77
46	78
47	79
48	83
49	87
50	91
51	95
52	99
53	103
54	107
55	111
56	112
57	113
58	114
59	115
60	119
61	123
62	124

n	a(n)
0	1
1	3
2	4
3	7
4	11
5	12
6	13
7	15
8	16
9	17
10	18
11	19
12	23
13	27
14	28
15	31
16	35
17	39
18	43
19	47
20	48
21	49
22	50
23	51
24	52
25	53
26	54
27	55
28	59
29	60
30	61
31	63
32	64
33	65
34	66
35	67
36	68
37	69
38	70
39	71
40	72
41	73
42	74
43	75
44	76
45	77
46	78
47	79
48	83
49	87
50	91
51	95
52	99
53	103
54	107
55	111
56	112
57	113
58	114
59	115
60	119
61	123
62	124