A020656 - OEIS

A020656 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	21
19	22
20	23
21	24
22	25
23	32
24	33
25	34
26	35
27	36
28	38
29	42
30	43
31	44
32	45
33	46
34	48
35	49
36	50
37	51
38	58
39	59
40	61
41	62
42	63
43	64
44	65
45	67
46	68
47	70
48	72
49	76
50	84
51	86
52	87
53	88
54	89
55	90
56	92
57	95
58	96
59	97
60	98
61	99
62	102
63	103
64	106
65	110
66	113
67	114
68	116
69	117
70	119
71	121

[0,1,2,3,4,6,7,8,9,11,12,13,14,16,17,18,19,21,22, 23,24,25,32,33,34,35,36,38,42,43,44,45,46,48,49, 50,51,58,59,61,62,63,64,65,67,68,70,72,76,84,86, 87,88,89,90,92,95,96,97,98,99,102,103,106,110,113, 114,116,117,119,121]

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	21
19	22
20	23
21	24
22	25
23	32
24	33
25	34
26	35
27	36
28	38
29	42
30	43
31	44
32	45
33	46
34	48
35	49
36	50
37	51
38	58
39	59
40	61
41	62
42	63
43	64
44	65
45	67
46	68
47	70
48	72
49	76
50	84
51	86
52	87
53	88
54	89
55	90
56	92
57	95
58	96
59	97
60	98
61	99
62	102
63	103
64	106
65	110
66	113
67	114
68	116
69	117
70	119
71	121

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	21
19	22
20	23
21	24
22	25
23	32
24	33
25	34
26	35
27	36
28	38
29	42
30	43
31	44
32	45
33	46
34	48
35	49
36	50
37	51
38	58
39	59
40	61
41	62
42	63
43	64
44	65
45	67
46	68
47	70
48	72
49	76
50	84
51	86
52	87
53	88
54	89
55	90
56	92
57	95
58	96
59	97
60	98
61	99
62	102
63	103
64	106
65	110
66	113
67	114
68	116
69	117
70	119
71	121

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	21
19	22
20	23
21	24
22	25
23	32
24	33
25	34
26	35
27	36
28	38
29	42
30	43
31	44
32	45
33	46
34	48
35	49
36	50
37	51
38	58
39	59
40	61
41	62
42	63
43	64
44	65
45	67
46	68
47	70
48	72
49	76
50	84
51	86
52	87
53	88
54	89
55	90
56	92
57	95
58	96
59	97
60	98
61	99
62	102
63	103
64	106
65	110
66	113
67	114
68	116
69	117
70	119
71	121