A023803 - OEIS

A023803 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	19
19	20
20	21
21	22
22	23
23	24
24	25
25	26
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	37
35	38
36	39
37	40
38	41
39	42
40	43
41	44
42	46
43	47
44	48
45	49
46	50
47	51
48	52
49	53
50	55
51	56
52	57
53	58
54	59
55	60
56	61
57	62
58	66
59	67
60	68
61	69
62	70
63	71
64	80
65	83
66	84
67	85
68	86
69	87

[0,1,2,3,4,5,6,7,8,10,11,12,13,14,15,16,17,19,20, 21,22,23,24,25,26,28,29,30,31,32,33,34,35,37,38, 39,40,41,42,43,44,46,47,48,49,50,51,52,53,55,56, 57,58,59,60,61,62,66,67,68,69,70,71,80,83,84,85, 86,87]

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	19
19	20
20	21
21	22
22	23
23	24
24	25
25	26
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	37
35	38
36	39
37	40
38	41
39	42
40	43
41	44
42	46
43	47
44	48
45	49
46	50
47	51
48	52
49	53
50	55
51	56
52	57
53	58
54	59
55	60
56	61
57	62
58	66
59	67
60	68
61	69
62	70
63	71
64	80
65	83
66	84
67	85
68	86
69	87

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	19
19	20
20	21
21	22
22	23
23	24
24	25
25	26
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	37
35	38
36	39
37	40
38	41
39	42
40	43
41	44
42	46
43	47
44	48
45	49
46	50
47	51
48	52
49	53
50	55
51	56
52	57
53	58
54	59
55	60
56	61
57	62
58	66
59	67
60	68
61	69
62	70
63	71
64	80
65	83
66	84
67	85
68	86
69	87

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	19
19	20
20	21
21	22
22	23
23	24
24	25
25	26
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	37
35	38
36	39
37	40
38	41
39	42
40	43
41	44
42	46
43	47
44	48
45	49
46	50
47	51
48	52
49	53
50	55
51	56
52	57
53	58
54	59
55	60
56	61
57	62
58	66
59	67
60	68
61	69
62	70
63	71
64	80
65	83
66	84
67	85
68	86
69	87