A039237 - OEIS

A039237 as a simple table

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	23
21	34
22	36
23	37
24	39
25	40
26	41
27	42
28	43
29	44
30	45
31	47
32	48
33	49
34	51
35	52
36	53
37	54
38	55
39	56
40	57
41	59
42	60
43	61
44	63
45	64
46	65
47	66
48	67
49	68
50	69
51	71
52	72
53	73
54	75
55	76
56	77
57	78
58	79
59	80
60	81
61	83
62	84
63	85
64	87
65	88
66	89
67	90
68	91
69	92
70	93

[0,1,3,4,5,6,7,8,9,11,12,13,15,16,17,18,19,20,21, 23,34,36,37,39,40,41,42,43,44,45,47,48,49,51,52, 53,54,55,56,57,59,60,61,63,64,65,66,67,68,69,71, 72,73,75,76,77,78,79,80,81,83,84,85,87,88,89,90, 91,92,93]

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	23
21	34
22	36
23	37
24	39
25	40
26	41
27	42
28	43
29	44
30	45
31	47
32	48
33	49
34	51
35	52
36	53
37	54
38	55
39	56
40	57
41	59
42	60
43	61
44	63
45	64
46	65
47	66
48	67
49	68
50	69
51	71
52	72
53	73
54	75
55	76
56	77
57	78
58	79
59	80
60	81
61	83
62	84
63	85
64	87
65	88
66	89
67	90
68	91
69	92
70	93

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	23
21	34
22	36
23	37
24	39
25	40
26	41
27	42
28	43
29	44
30	45
31	47
32	48
33	49
34	51
35	52
36	53
37	54
38	55
39	56
40	57
41	59
42	60
43	61
44	63
45	64
46	65
47	66
48	67
49	68
50	69
51	71
52	72
53	73
54	75
55	76
56	77
57	78
58	79
59	80
60	81
61	83
62	84
63	85
64	87
65	88
66	89
67	90
68	91
69	92
70	93

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	23
21	34
22	36
23	37
24	39
25	40
26	41
27	42
28	43
29	44
30	45
31	47
32	48
33	49
34	51
35	52
36	53
37	54
38	55
39	56
40	57
41	59
42	60
43	61
44	63
45	64
46	65
47	66
48	67
49	68
50	69
51	71
52	72
53	73
54	75
55	76
56	77
57	78
58	79
59	80
60	81
61	83
62	84
63	85
64	87
65	88
66	89
67	90
68	91
69	92
70	93