A023754 - OEIS

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A023754 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	12
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	42
38	43
39	44
40	45
41	46
42	47
43	48
44	49
45	50
46	51
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	70
57	71
58	72
59	73
60	74
61	75
62	76
63	77
64	84
65	85
66	86
67	87
68	88
69	89
70	90

[0,1,2,3,4,5,6,7,8,9,10,11,12,14,15,16,17,18,19, 20,21,22,23,24,25,28,29,30,31,32,33,34,35,36,37, 38,42,43,44,45,46,47,48,49,50,51,56,57,58,59,60, 61,62,63,64,70,71,72,73,74,75,76,77,84,85,86,87, 88,89,90]

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	12
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	42
38	43
39	44
40	45
41	46
42	47
43	48
44	49
45	50
46	51
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	70
57	71
58	72
59	73
60	74
61	75
62	76
63	77
64	84
65	85
66	86
67	87
68	88
69	89
70	90

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	12
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	42
38	43
39	44
40	45
41	46
42	47
43	48
44	49
45	50
46	51
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	70
57	71
58	72
59	73
60	74
61	75
62	76
63	77
64	84
65	85
66	86
67	87
68	88
69	89
70	90

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	12
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	28
27	29
28	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	42
38	43
39	44
40	45
41	46
42	47
43	48
44	49
45	50
46	51
47	56
48	57
49	58
50	59
51	60
52	61
53	62
54	63
55	64
56	70
57	71
58	72
59	73
60	74
61	75
62	76
63	77
64	84
65	85
66	86
67	87
68	88
69	89
70	90