A031996 - OEIS

A031996 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	9
11	10
12	11
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	26
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	39
35	40
36	41
37	42
38	43
39	44
40	45
41	46
42	47
43	52
44	53
45	54
46	55
47	56
48	57
49	58
50	59
51	65
52	66
53	67
54	68
55	69
56	70
57	71
58	78
59	79
60	80
61	81
62	82
63	83
64	91

[0,1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19, 20,21,22,23,26,27,28,29,30,31,32,33,34,35,39,40, 41,42,43,44,45,46,47,52,53,54,55,56,57,58,59,65, 66,67,68,69,70,71,78,79,80,81,82,83,91]

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	26
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	39
35	40
36	41
37	42
38	43
39	44
40	45
41	46
42	47
43	52
44	53
45	54
46	55
47	56
48	57
49	58
50	59
51	65
52	66
53	67
54	68
55	69
56	70
57	71
58	78
59	79
60	80
61	81
62	82
63	83
64	91

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	26
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	39
35	40
36	41
37	42
38	43
39	44
40	45
41	46
42	47
43	52
44	53
45	54
46	55
47	56
48	57
49	58
50	59
51	65
52	66
53	67
54	68
55	69
56	70
57	71
58	78
59	79
60	80
61	81
62	82
63	83
64	91

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	11
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	26
25	27
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	39
35	40
36	41
37	42
38	43
39	44
40	45
41	46
42	47
43	52
44	53
45	54
46	55
47	56
48	57
49	58
50	59
51	65
52	66
53	67
54	68
55	69
56	70
57	71
58	78
59	79
60	80
61	81
62	82
63	83
64	91