A247800 - OEIS

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A247800 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	13
13	15
14	16
15	17
16	18
17	20
18	21
19	23
20	25
21	26
22	27
23	28
24	40
25	41
26	42
27	43
28	45
29	46
30	47
31	48
32	49
33	53
34	56
35	57
36	63
37	73
38	76
39	83
40	85
41	86
42	87
43	90
44	91
45	92
46	93
47	95
48	96
49	97
50	98
51	103
52	105
53	106
54	107
55	108
56	153
57	156
58	157
59	163
60	173
61	176
62	183
63	185
64	186

[0,1,2,3,4,5,6,7,8,9,10,13,15,16,17,18,20,21,23, 25,26,27,28,40,41,42,43,45,46,47,48,49,53,56,57, 63,73,76,83,85,86,87,90,91,92,93,95,96,97,98,103, 105,106,107,108,153,156,157,163,173,176,183,185, 186]

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	13
13	15
14	16
15	17
16	18
17	20
18	21
19	23
20	25
21	26
22	27
23	28
24	40
25	41
26	42
27	43
28	45
29	46
30	47
31	48
32	49
33	53
34	56
35	57
36	63
37	73
38	76
39	83
40	85
41	86
42	87
43	90
44	91
45	92
46	93
47	95
48	96
49	97
50	98
51	103
52	105
53	106
54	107
55	108
56	153
57	156
58	157
59	163
60	173
61	176
62	183
63	185
64	186

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	13
13	15
14	16
15	17
16	18
17	20
18	21
19	23
20	25
21	26
22	27
23	28
24	40
25	41
26	42
27	43
28	45
29	46
30	47
31	48
32	49
33	53
34	56
35	57
36	63
37	73
38	76
39	83
40	85
41	86
42	87
43	90
44	91
45	92
46	93
47	95
48	96
49	97
50	98
51	103
52	105
53	106
54	107
55	108
56	153
57	156
58	157
59	163
60	173
61	176
62	183
63	185
64	186

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	13
13	15
14	16
15	17
16	18
17	20
18	21
19	23
20	25
21	26
22	27
23	28
24	40
25	41
26	42
27	43
28	45
29	46
30	47
31	48
32	49
33	53
34	56
35	57
36	63
37	73
38	76
39	83
40	85
41	86
42	87
43	90
44	91
45	92
46	93
47	95
48	96
49	97
50	98
51	103
52	105
53	106
54	107
55	108
56	153
57	156
58	157
59	163
60	173
61	176
62	183
63	185
64	186