A176693 - OEIS

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A176693 as a simple table

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	16
12	18
13	20
14	22
15	24
16	25
17	26
18	28
19	30
20	32
21	34
22	36
23	38
24	40
25	42
26	44
27	46
28	48
29	49
30	50
31	52
32	54
33	56
34	58
35	60
36	62
37	64
38	66
39	68
40	70
41	72
42	74
43	76
44	78
45	80
46	81
47	82
48	84
49	86
50	88
51	90
52	92
53	94
54	96
55	98
56	100
57	102
58	104
59	106
60	108
61	110
62	112
63	114
64	116
65	118
66	120
67	121
68	122

[0,1,2,4,6,8,9,10,12,14,16,18,20,22,24,25,26,28, 30,32,34,36,38,40,42,44,46,48,49,50,52,54,56,58, 60,62,64,66,68,70,72,74,76,78,80,81,82,84,86,88, 90,92,94,96,98,100,102,104,106,108,110,112,114, 116,118,120,121,122]

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	16
12	18
13	20
14	22
15	24
16	25
17	26
18	28
19	30
20	32
21	34
22	36
23	38
24	40
25	42
26	44
27	46
28	48
29	49
30	50
31	52
32	54
33	56
34	58
35	60
36	62
37	64
38	66
39	68
40	70
41	72
42	74
43	76
44	78
45	80
46	81
47	82
48	84
49	86
50	88
51	90
52	92
53	94
54	96
55	98
56	100
57	102
58	104
59	106
60	108
61	110
62	112
63	114
64	116
65	118
66	120
67	121
68	122

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	16
12	18
13	20
14	22
15	24
16	25
17	26
18	28
19	30
20	32
21	34
22	36
23	38
24	40
25	42
26	44
27	46
28	48
29	49
30	50
31	52
32	54
33	56
34	58
35	60
36	62
37	64
38	66
39	68
40	70
41	72
42	74
43	76
44	78
45	80
46	81
47	82
48	84
49	86
50	88
51	90
52	92
53	94
54	96
55	98
56	100
57	102
58	104
59	106
60	108
61	110
62	112
63	114
64	116
65	118
66	120
67	121
68	122

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	16
12	18
13	20
14	22
15	24
16	25
17	26
18	28
19	30
20	32
21	34
22	36
23	38
24	40
25	42
26	44
27	46
28	48
29	49
30	50
31	52
32	54
33	56
34	58
35	60
36	62
37	64
38	66
39	68
40	70
41	72
42	74
43	76
44	78
45	80
46	81
47	82
48	84
49	86
50	88
51	90
52	92
53	94
54	96
55	98
56	100
57	102
58	104
59	106
60	108
61	110
62	112
63	114
64	116
65	118
66	120
67	121
68	122