A378080 - OEIS

A378080 as a simple table

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	13
10	14
11	16
12	17
13	18
14	20
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	34
28	36
29	39
30	40
31	43
32	45
33	46
34	47
35	48
36	51
37	53
38	54
39	55
40	57
41	58
42	59
43	60
44	61
45	62
46	63
47	64
48	65
49	66
50	67
51	68
52	69
53	70
54	71
55	72
56	73
57	74
58	76
59	77
60	79
61	80
62	81
63	82
64	83
65	84
66	85
67	86
68	87

[0,1,3,4,5,6,7,8,13,14,16,17,18,20,22,23,24,25,26, 27,28,29,30,31,32,33,34,36,39,40,43,45,46,47,48, 51,53,54,55,57,58,59,60,61,62,63,64,65,66,67,68, 69,70,71,72,73,74,76,77,79,80,81,82,83,84,85,86, 87]

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	13
10	14
11	16
12	17
13	18
14	20
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	34
28	36
29	39
30	40
31	43
32	45
33	46
34	47
35	48
36	51
37	53
38	54
39	55
40	57
41	58
42	59
43	60
44	61
45	62
46	63
47	64
48	65
49	66
50	67
51	68
52	69
53	70
54	71
55	72
56	73
57	74
58	76
59	77
60	79
61	80
62	81
63	82
64	83
65	84
66	85
67	86
68	87

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	13
10	14
11	16
12	17
13	18
14	20
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	34
28	36
29	39
30	40
31	43
32	45
33	46
34	47
35	48
36	51
37	53
38	54
39	55
40	57
41	58
42	59
43	60
44	61
45	62
46	63
47	64
48	65
49	66
50	67
51	68
52	69
53	70
54	71
55	72
56	73
57	74
58	76
59	77
60	79
61	80
62	81
63	82
64	83
65	84
66	85
67	86
68	87

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	6
7	7
8	8
9	13
10	14
11	16
12	17
13	18
14	20
15	22
16	23
17	24
18	25
19	26
20	27
21	28
22	29
23	30
24	31
25	32
26	33
27	34
28	36
29	39
30	40
31	43
32	45
33	46
34	47
35	48
36	51
37	53
38	54
39	55
40	57
41	58
42	59
43	60
44	61
45	62
46	63
47	64
48	65
49	66
50	67
51	68
52	69
53	70
54	71
55	72
56	73
57	74
58	76
59	77
60	79
61	80
62	81
63	82
64	83
65	84
66	85
67	86
68	87