A050481 - cp's OEIS frontend

A050481 The first, second, fourth, sixth, seventh, ... letters in this sentence are consonants (ignoring spaces and commas).

n	a(n)
1	1
2	2
3	4
4	6
5	7
6	8
7	9
8	11
9	13
10	14
11	15
12	18
13	19
14	20
15	21
16	23
17	24
18	25
19	26
20	28
21	30
22	31
23	32
24	35
25	36
26	37
27	38
28	39
29	41
30	42
31	43
32	45
33	47
34	49
35	50
36	51
37	52
38	53
39	55
40	56
41	59
42	60
43	61
44	62
45	65
46	66
47	69
48	70
49	71
50	72
51	74
52	75
53	78
54	79
55	80
56	83
57	84
58	85
59	88
60	89
61	90
62	91
63	93
64	95
65	98
66	99
67	100
68	101
69	102
70	104
71	105

[1, 2, 4, 6, 7, 8, 9, 11, 13, 14, 15, 18, 19, 20, 21, 23, 24, 25, 26, 28, 30, 31, 32, 35, 36, 37, 38, 39, 41, 42, 43, 45, 47, 49, 50, 51, 52, 53, 55, 56, 59, 60, 61, 62, 65, 66, 69, 70, 71, 72, 74, 75, 78, 79, 80, 83, 84, 85, 88, 89, 90, 91, 93, 95, 98, 99, 100, 101, 102, 104, 105]

cp's OEIS Frontend

A050481 The first, second, fourth, sixth, seventh, ... letters in this sentence are consonants (ignoring spaces and commas).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	6
5	7
6	8
7	9
8	11
9	13
10	14
11	15
12	18
13	19
14	20
15	21
16	23
17	24
18	25
19	26
20	28
21	30
22	31
23	32
24	35
25	36
26	37
27	38
28	39
29	41
30	42
31	43
32	45
33	47
34	49
35	50
36	51
37	52
38	53
39	55
40	56
41	59
42	60
43	61
44	62
45	65
46	66
47	69
48	70
49	71
50	72
51	74
52	75
53	78
54	79
55	80
56	83
57	84
58	85
59	88
60	89
61	90
62	91
63	93
64	95
65	98
66	99
67	100
68	101
69	102
70	104
71	105

n	a(n)
1	1
2	2
3	4
4	6
5	7
6	8
7	9
8	11
9	13
10	14
11	15
12	18
13	19
14	20
15	21
16	23
17	24
18	25
19	26
20	28
21	30
22	31
23	32
24	35
25	36
26	37
27	38
28	39
29	41
30	42
31	43
32	45
33	47
34	49
35	50
36	51
37	52
38	53
39	55
40	56
41	59
42	60
43	61
44	62
45	65
46	66
47	69
48	70
49	71
50	72
51	74
52	75
53	78
54	79
55	80
56	83
57	84
58	85
59	88
60	89
61	90
62	91
63	93
64	95
65	98
66	99
67	100
68	101
69	102
70	104
71	105

n	a(n)
1	1
2	2
3	4
4	6
5	7
6	8
7	9
8	11
9	13
10	14
11	15
12	18
13	19
14	20
15	21
16	23
17	24
18	25
19	26
20	28
21	30
22	31
23	32
24	35
25	36
26	37
27	38
28	39
29	41
30	42
31	43
32	45
33	47
34	49
35	50
36	51
37	52
38	53
39	55
40	56
41	59
42	60
43	61
44	62
45	65
46	66
47	69
48	70
49	71
50	72
51	74
52	75
53	78
54	79
55	80
56	83
57	84
58	85
59	88
60	89
61	90
62	91
63	93
64	95
65	98
66	99
67	100
68	101
69	102
70	104
71	105